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2017

Hochul Song, Dongsun Yoo, Yong Youn, and Seungwu Han

Molecular orientation and hole carrier transport in vapor-deposited OLED: multiscale simulation study

The 9th Conference of Asian Consortium of Computational Materials Science, Kuala-Lumpur (Malaysia) Aug. 8 ~ Aug. 11 (Poster)

Wonseok Jeong, Kyuhyun Lee, and Seungwu Han

Development of neural network interatomic potential and training data analysis

The 9th Conference of Asian Consortium of Computational Materials Science, Kuala-Lumpur (Malaysia) Aug. 8 ~ Aug. 11 (Poster)
awarded as excellent poster
[Certificate]

Sungwoo Kang and Seungwu Han

Theoretical study of homogeneous vertical MoS2 P-N junction and application as an efficient hydrogen evolution reaction catalyst

The 9th Conference of Asian Consortium of Computational Materials Science, Kuala-Lumpur (Malaysia) Aug. 8 ~ Aug. 11 (Poster)

Gijae Kang, Kyeongpung Lee, and Seungwu Han

First-principles study on charge trap in nitrogen-deficient amorphous Si3N4

The 9th Conference of Asian Consortium of Computational Materials Science, Kuala-Lumpur(Malaysia) Aug. 8 ~ Aug. 11 (Poster)

Seungwu Han

Automated ab initio calculations for efficient screening of functional oxides

Asia Pacific Society for Materials Science Research 2017 Annual Meeting, Hokkaido (Japan) Jul. 27 ~ Jul. 30 (Invited)

Gijae Kang, Kyeongpung Lee, and Seungwu Han

First-principles study on the origin of charge trap in amorphous Si3N4-x

The 15th International Nanotech Symposium & Nano-Convergence Expo in Korea, Goyang (Korea) Jul. 12 ~ Jul. 14 (Poster)

Yong Youn, Dongsun Yoo, Hochul Song, and Seungwu Han

Multi-scale simulation for molecular orientation and charge transport in vapor-deposited organic thin film

The 15th International Nanotech Symposium & Nano-Convergence Expo in Korea, Goyang (Korea) Jul. 12 ~ Jul. 14 (Poster)

Joohee Lee and Seungwu Han

Computational screening of defective 2D metal dichalcogenides for hydrogen evolution reaction

The 15th International Nanotech Symposium & Nano-Convergence Expo in Korea, Goyang (Korea) Jul. 12 ~ Jul. 14 (Poster)

Kanghoon Yim, Yong Youn. Miso Lee, and Seungwu Han

High-throughput screening of new p-type transparent semiconducting oxide

59th Electronic Materials Conference, South Bend (USA) Jun. 28 ~ Jun. 30 (Oral)

Yong Youn, Kanghoon Yim, Miso Lee, and Seungwu Han

A new descriptor for high-throughput screening of p-type oxide semiconductors

59th Electronic Materials Conference, South Bend (USA) Jun. 28 ~ Jun. 30 (Poster)

Sungwoo Kang and Seungwu Han

Theoretical investigation of MoS2 van der Waals p-n junction and application as a hydrogen evolution reaction catalyst

The 13th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 15 ~ Jun. 16 (Poster)

Gijae Kang, Kyeongpung Lee, and Seungwu Han

Ab-initio study on charge trap states in nitrogen-deficient amorphous Si3N4

The 13th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 15 ~ Jun. 16 (Poster)

Dongheon Lee, Seungwu Han, and Ho-Hyun Nahm

Spin-singlet small bipolaron revealed in nonmagnetic d0 oxide

The 13th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 15 ~ Jun. 16 (Poster)

Dongsun Yoo, Yong Youn, Hochul Song, and Seungwu Han

Molecular orientation and charge transport in vapor-deposited organic films

The 13th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 15 ~ Jun. 16 (Poster)

Kyuhyun Lee, Wonseok Jeong, and Seungwu Han

Development of potential energy surface for SiO2 system via Artificial Neural Network

The 13th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 15 ~ Jun. 16 (Poster)
awarded as excellent poster
[Certificate]

Miso Lee, Kanghoon Yim, and Seungwu Han

Automated ab initio calculations for screening non-oxide high-k materials

The 13th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 15 ~ Jun. 16 (Poster)

Yong Youn, Kanghoon Yim, Miso Lee, and Seungwu Han

First-principles high-throughput screening of novel p-type transparent semiconducting oxide

The 13th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 15 ~ Jun. 16 (Poster)

Seungwu Han

Discovering functional oxides through automated ab initio calculations

2017 eSSENCE-SeRC Meeting Multiscale Modelling of Materials and Molecules, Uppsala (Sweden) Jun. 12 ~ Jun. 14 (Keynote)

Yong Youn, Kanghoon Yim, Miso Lee, and Seungwu Han

A novel descriptor for high-throughput screening of p-type semiconducting oxides

2017 Spring Conference of the Korean Institute of Metals and Materials, Changwon(Korea) Apr. 26 ~ Apr 28 (Oral)

Kanghoon Yim, Yong Youn, Miso Lee, and Seungwu Han

Ab initio high-throughput screening for novel p-type oxide semiconductors

2017 Spring Conference of the Korean Institute of Metals and Materials, Changwon(Korea) Apr. 26 ~ Apr 28 (Oral)

Gijae Kang, Kyeongpung Lee, and Seungwu Han

Ab-initio study on the origin of charge trap in amorphous Si3N4-x

2017 Spring Conference of the Korean Institute of Metals and Materials, Changwon(Korea) Apr. 26 ~ Apr 28 (Poster)

Miso Lee, Kanghoon Yim, and Seungwu Han

Automated ab-initio calculations for non-oxide high-k materials

2017 Spring Conference of the Korean Institute of Metals and Materials, Changwon(Korea) Apr. 26 ~ Apr 28 (Oral)

Kyuhyun Lee, Wonseok Jeong, and Seungwu Han

Artificial neural network based interatomic potential development for bulk SiO2

2017 Spring Conference of the Korean Institute of Metals and Materials, Changwon(Korea) Apr. 26 ~ Apr 28 (Oral)

Joohee Lee and Seungwu Han

Screening of 2D transition metal dichalcogenides with anion vacancies for hydrogen evolution reaction

2017 Spring Conference of the Korean Institute of Metals and Materials, Changwon(Korea) Apr. 26 ~ Apr 28 (Oral)
awarded as an excellent presentation
[Certificate]

Sungwoo Kang, Joohee Lee, and Seungwu Han

Theoretical investigation of homogeneous van der Waals TMD p-n junction

The 2017 Spring Meeting of the Korean Physical Society, Daejeon(Korea) Apr. 19 ~ Apr. 21 (Oral)
awarded as an excellent presentation
[Certificate]

Wonseok Jeong, Kyuhyun Lee, Dongheon Lee, and Seungwu Han

Developing interatomic potential for Si-O system via neural network machine learning method

The 2017 Spring Meeting of the Korean Physical Society, Daejeon(Korea) Apr. 19 ~ Apr. 21 (Oral)

Dongsun Yoo, Yong Youn, Hochul Song, and Seungwu Han

A computational study of molecular orientation and charge transport in vapor-deposited organic films

The 2017 Spring Meeting of the Korean Physical Society, Daejeon(Korea) Apr. 19 ~ Apr. 21 (Oral)

Gijae Kang and Seungwu Han

First-principles study on charge trap states in amorphous Si3N4-x

2017 MRS spring meeting, Phoenix(US) Apr. 17 ~ Apr 21 (Poster)

Joohee Lee, Kye yeop Kim, and Seungwu Han

Computational screening of two-dimensional metal dichalcogenides with anion vacancies for hydrogen evolution reaction

2017 MRS spring meeting, Phoenix(US) Apr. 17 ~ Apr 21 (Oral)

Kanghoon Yim, Joohee Lee, Ho-Hyun Nahm, and Seungwu Han

Automated first-principles calculations for building dopant property database of doped-ZnO

2017 MRS spring meeting, Phoenix(US) Apr. 17 ~ Apr. 21 (Oral)

Gijae Kang and Seungwu Han

Ab-initio calculation on trap states in amorphous Si3N4-x

The 24th Korean Conference on Semiconductors, Daemyung resort (Korea) Feb. 13 - Feb. 15 (Poster)
awarded as excellent poster
[Certificate]

Wonseok Jeong, Kyuhyun Lee, and Seungwu Han

Interatomic potential development for Si system via neural network method

The 24th Korean Conference on Semiconductors, Daemyung resort (Korea) Feb. 13 - Feb. 15 (Poster)

2016

Dongheon Lee, Seungwu Han, and Ho-Hyun Nahm

Small bipolaron induced by substitutional hydrogen in TiO2 polymorphs

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 6 - Nov. 9 (Poster)

Joohee Lee, Kye yeop Kim, Sungwoo Kang, and Seungwu Han

Computational screening of transition metal dichalcogenides with anion vacancies for hydrogen evolution reaction catalyst

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 6 - Nov. 9 (Poster)

Gijae Kang and Seungwu Han

First-principles calculation on charge trap states in amorphous silicon nitride

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 6 - Nov. 9 (Poster)

Miso Lee, Kanghoon Yim, and Seungwu Han

Non-oxide high-k materials screened by high-throughput ab initio calculation

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 6 - Nov. 9 (Poster)

Kanghoon Yim, Joohee Lee, Kyeongpung Lee, Ho-Hyun Nahm, and Seungwu Han

Automatization of doping property calculation for doped-ZnO

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 6 - Nov. 9 (Poster)
awarded as best poster award
[Certificate]

Wonseok Jeong, Kyuhyun Lee, and Seungwu Han

Developing MD interatomic potential for Si thermal oxidation simulation with machine learning neural network

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 6 - Nov. 9 (Poster)

Kye yeop Kim and Seungwu Han

First principles study of hydrogen evolution reaction on sulfur vacancy of MoS2

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 6 - Nov. 9 (Poster)

Kyuhyun Lee and Seungwu Han

Simulating Li Diffusion in amorphous Al2O3 using neural network potential

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 6 - Nov. 9 (Poster)

Yong Youn, Dongsun Yoo, Hochul Song, and Seungwu Han

Effect of vapor-deposition condition on molecular orientation and charge carrier transport in organic layers: computational study

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 6 - Nov. 9 (Oral)

Wonseok Jeong, Kyuhyun Lee, and Seungwu Han

How to train neural network potential?- case study on Si and Al2O3

The 4th International Conference on Molecular Simulation, Shanghai (China) Oct.23 ~ Oct. 26 (Poster)

Kanghoon Yim, Kyuhyun Lee, Joohee Lee, Yong Youn, Miso Lee, and Seungwu Han

Automated ab initio calculations for efficient material screening

The 4th International Conference on Molecular Simulation, Shanghai (China) Oct.23 ~ Oct. 26 (Invited)

Kye yeop Kim and Seungwu Han

Mechanism study of hydrogen evolution reaction on sulfur vacancy of MoS2

The 8th International Conference on Recent Progress in Graphene/2D Research, Seoul (Korea) Sep. 25 ~ Sep. 29 (Poster)

Joohee Lee, Kye yeop Kim, and Seungwu Han

Screening of catalyst for hydrogen evolution reaction on anion vacancy sites in two-diemensional metal dicahalcogenides from first-principles calculations

The 8th International Conference on Recent Progress in Graphene/2D Research, Seoul (Korea) Sep. 25 ~ Sep. 29 (Poster)

Kye yeop Kim, Joohee Lee, and Seungwu Han

Two dimensional dichalcogenides for hydrogen production

2016 E-MRS Fall Meeting, Warsaw (Poland) Sep. 19 ~ Sep. 22 (Invited)

Gijae Kang and Seungwu Han

Ab-initio study on charge trap state in amorphous Si3N4

The 9th Pacific Rim International Conference on Advanced Materials and Processing, Kyoto (Japan) Aug. 1 ~ Aug. 5 (Poster)

Yong Youn, Dongsun Yoo, Youngho Kang, and Seungwu Han

Investigation of preferred orientation in vapor-deposited organic semiconductors

The 9th Pacific Rim International Conference on Advanced Materials and Processing, Kyoto (Japan) Aug. 1 ~ Aug. 5 (Poster)

Yong Youn, Dongsun Yoo. Youngho Kang and Seungwu Han

Molecular dynamics simulation for orientation preference in vapor-deposited organic thin films

The 14th International Nanotech Symposium & Nano-Convergence Expo in Korea, Goyang (Korea) Jul. 13 ~ Jul. 15 (Poster)

Kanghoon Yim, Joohee Lee, Ho-Hyun Nahm and Seungwu Han

Single doping database of doped-ZnO using high-throughput ab initio calculation

The 14th International Nanotech Symposium & Nano-Convergence Expo in Korea, Goyang (Korea) Jul. 13 ~ Jul. 15 (Oral)

Kyuhyun Lee, Yong Youn and Seungwu Han

Finding magnetic ordering in antiferromagnetic oxides using genetic algorithm

The 14th International Nanotech Symposium & Nano-Convergence Expo in Korea, Goyang (Korea) Jul. 13 ~ Jul. 15 (Poster)
awarded as best poster award
[Certificate]

Kye yeop Kim, Youngho Kang, Joohee Lee and Seungwu Han

Mechanism of hydrogen evolution reaction on vacancy defects in MoS2

IUMRS-ICEM 2016, Singapore (Singapore) Jul. 04 ~ Jul. 08 (Oral)

Yong Youn, Dongsun Yoo, Youngho Kang and Seungwu Han

Vapor-deposition simulation to investigate the molecular orientation in the amorphous organic films

IUMRS-ICEM 2016, Singapore (Singapore) Jul. 04 ~ Jul. 08 (Poster)

Joohee Lee, Kye yeop Kim, Youngho Kang and Seungwu Han

Computational screening of anion vacancy sites in two-dimensional metal dichalcogenides for catalytic effects in hydrogen evolution reaction

IUMRS-ICEM 2016, Singapore (Singapore) Jul. 04 ~ Jul. 08 (Poster)

Kanghoon Yim, Joohee Lee, Ho-Hyun Nahm and Seungwu Han

Property database for doped zinc oxide computed by automatized first-principles calculations

IUMRS-ICEM 2016, Singapore (Singapore) Jul. 04 ~ Jul. 08 (Oral)

Seungwu Han, Kanghoon Yim, Joohee Lee and Miso Lee

Searching for functional oxides through high-throughput computation 

IUMRS-ICEM 2016, Singapore (Singapore) Jul. 04 ~ Jul. 08 (Invited)

Yong Youn, Dongsun Yoo, Hochul Song and Seungwu Han

Control of molecular oriencation in vapor-deposited organinc layers and its effect on charge carrier mobility: computational study

The 12th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 16 ~ Jun. 17 (Poster)

Kanghoon Yim, Joohee Lee and Seungwu Han

Automatization of doping property calculation for doped-ZnO

The 12th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 16 ~ Jun. 17 (Poster)

Miso Lee, Kanghoon Yim and Seungwu Han

High-throughput ab initio calculation for screening non-oxide high-k materials

The 12th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 16 ~ Jun. 17 (Poster)

Kyuhyun Lee and Seungwu Han

Simulating Li diffusion in amorphous Al2O3 using neural network potential

The 12th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 16 ~ Jun. 17 (Poster)

Joohee Lee, Kye yeop Kim and Seungwu Han

Screening of anion vacancy sites in two-dimensional metal dichalcogenides for hydrogen evolution reaction catalyst

The 12th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 16 ~ Jun. 17 (Poster)

Dongheon Lee, Seungwu Han and Ho-Hyun Nahm

Small bipolaron induced by substitutional hydrogen in rutile TiO2

The 12th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 16 ~ Jun. 17 (Poster)

Kye yeop Kim and Seungwu Han

Theoretical study of hydrogen evolution reation on sulfur vacancy of MoS2

The 12th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 16 ~ Jun. 17 (Poster)
awarded as excellent poster award
[Certificate]

Gijae Kang and Seungwu Han

First principles study on charge trap states in amorphous Si3N4-x

The 12th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 16 ~ Jun. 17 (Poster)

Wonseok Jeong, Kyuhyun Lee and Seungwu Han

Neural network MD interatomic potential development for Si oxidation process simulation

The 12th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 16 ~ Jun. 17 (Poster)

Kye Yeop Kim, Joohee Lee, Youngho Kang and Seungwu Han

Two diemnsional dichalcogenides for hydrogen production

The 12th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 16 ~ Jun. 17 (Invited)

Seungwu Han

계산과학을 통한 재료혁신은 가능한가?

2016 Spring Conference of the Korean Institute of Metals and Materials, Gyeongju (Korea) Apr. 27 ~ Apr. 29 (Invited)

Kanghoon Yim, Joohee Lee, Yong Youn, Miso Lee, Ho-Hyun Nahm, Seungwu Han

Searching new materials through high-throughput calculations: high-k dielectrics and doped-ZnO

The 2016 Spring Conference of the Korean Institute of Metals and Materials, Gyeongju (Korea) Apr. 27 ~ Apr. 29 (Oral)

Youngho Kang, Ho-Hyun Nahm and Seungwu Han

First-principles study on light induced O-O bond in ZnO and persistent photoconductivity

제 12차 유전체 연합 심포지엄, Muju (Korea) Jan. 31 ~ Feb. 2 (Oral)

Kanghoon Yim, Miso Lee, Yong Youn, Joohee Lee and Seungwu Han

First-principles high-throughput screening of new high-k dielectrics

제 12차 유전체 연합 심포지엄, Muju (Korea) Jan. 31 ~ Feb. 2 (Oral)

Kanghoon Yim, Joohee Lee, Ho-Hyun Nahm and Seungwu Han

First-principles high-throughput screening for doped-ZnO

Electronic Materials and Applications 2016, Orlando (US) Jan. 20 ~ Jan. 22 (Oral)

2015

Youngho Kang, Byung Du Ahn, Ji Hun Song, Ho-Hyun Nahm, Jae Kyeong Jeong and Seungwu Han

Impact of bistable hydrogen impurity on photo-bias instabilities in amorphous semiconducting oxides

2015 MRS fall meeting, Boston (US) Nov. 29 ~ Dec. 4 (Poster)

Kye Yeop Kim and Seungwu Han

Origin of hydrogen evolution reaction on transition metal dicalcogenide materials

2015 MRS fall meeting, Boston (US) Nov. 29 ~ Dec. 4 (Poster)

Yong Youn, Dongsun Yoo, Youngho Kang and Seungwu Han

Investigation of preferred orientation in vapor-deposited oraganic semiconductors

The 9th International Conference on Advanced Materials and Devices, Jeju (Korea) Dec. 7 ~ Dec. 9 (Invited)

Kanghoon Yim, Kyuhyun Lee, Joohee Lee, Yong Youn and Seungwu Han

Automation strategy for high-throughput ab initiocalculation

The 18th Asian Workshop on First-Principles Electronic Structure Calculation. Tokyo (Japan) Nov. 9 ~Nov. 11 (Invited)

Dongsun Yoo, Yong Youn, Youngho Kang and Seungwu Han

Molecular orientation in vapor-deposited oraganic light-emitting diodes

The 18th Asian Workshop on First-Principles Electronic Structure Calculation. Tokyo (Japan) Nov. 9 ~Nov. 11 (Poster)

Dongheon Lee, Seungwu Han and Ho-Hyun Nahm

Existence of small bipolaron near substitutional hydrogen in TiO2

The 18th Asian Workshop on First-Principles Electronic Structure Calculation. Tokyo (Japan) Nov. 9 ~Nov. 11 (Poster)

Hochul Song, Youngho Kang and Seungwu Han

First principles study on nature of oxygen vacancy in semiconducting oxides

The 18th Asian Workshop on First-Principles Electronic Structure Calculation. Tokyo (Japan) Nov. 9 ~Nov. 11 (Poster)

Gijae Kang, Youngho Kang and Seungwu Han

Influence of wavefunction updates in self-consistent GW calculations on Titanites

The 18th Asian Workshop on First-Principles Electronic Structure Calculation. Tokyo (Japan) Nov. 9 ~Nov. 11 (Poster)

Joohee Lee, Miso Lee, Youn Yong and Seungwu Han

Numerical simulations of junctions of water splitting photocathode and 2D catalyst

The 18th Asian Workshop on First-Principles Electronic Structure Calculation. Tokyo (Japan) Nov. 9 ~Nov. 11 (Poster)

Kyuhyun Lee, Yong Youn and Seungwu Han

Finding magnetic ordering in antiferromagnetic oxides using genetic algorithm

The 18th Asian Workshop on First-Principles Electronic Structure Calculation. Tokyo (Japan) Nov. 9 ~Nov. 11 (Poster)

Youngho Kang and Seungwu Han

First principles calculation study on electrical properties of oxide semiconductors

2015 Fall Meeting of the Korean Ceramic Society, Incheon (Korea) Nov.4 ~ Nov. 6 (Invited)

KanghoonYim, Kyuhyun Lee, Joohee Lee, Yong Youn, and Seungwu Han

Automation of first-principles calculations: why and how

The 10th Anniversary General Meeting of ACCMS-VO, Tohoku (Japan) Nov. 1 ~ Nov. 3 (Invited)

Joohee Lee, Miso Lee and Seungwu Han

Band alignments of model junctions for water splitting

Electronic Materials and Nanotechnology for Green Environment 2015, Daejeon (Korea) Oct. 30 (Poster)

Yong Youn, Dongsun Yoo, Youngho Kang and Seungwu Han

Molecular orientation in vapor-deposited oraganic thin film by molecular dynamics simulation

Electronic Materials and Nanotechnology for Green Environment 2015, Daejeon (Korea) Oct. 30 (Poster)

Hochul Song, Youngho Kang, Ho-Hyun Nahm and Seungwu Han

A theoretical study on the amorphous interface between InGaZnO4 and SiO2

Electronic Materials and Nanotechnology for Green Environment 2015, Daejeon (Korea) Oct. 30 (Poster)

Kye Yeop Kim and Seungwu Han

Catlystic hydrogen evolution reaction on sulfur vafancy of transition metal dicalcogenide materials

Electronic Materials and Nanotechnology for Green Environment 2015, Daejeon (Korea) Oct. 30 (Poster)

Gijae Kang, Youngho Kang and Seungwu Han

Influence of self-consistent wavefunction updates in GW calculations on Titanites

Electronic Materials and Nanotechnology for Green Environment 2015, Daejeon (Korea) Oct. 30 (Poster)

Kanghoon Yim, Joohee Lee, Dongheon Lee, Ho-Hyun Nahm and Seungwu Han

High-throughput screening of doped-ZnO using first-principles calculation

Electronic Materials and Nanotechnology for Green Environment 2015, Daejeon (Korea) Oct. 30 (Poster)

Yong Youn, Dongsun Yoo, Youngho Kang and Seungwu Han

Molecular dynamics simulation on preffered orientation in vapor-deposited oraganic semiconductors

Electronic Materials and Nanotechnology for Green Environment 2015, Daejeon (Korea) Oct. 30 (Invited)

Dongheon Lee, Seungwu Han and Ho-Hyun Nahm

Identification of small bipolaron induced by substitutional hydrogen in TiO2

Korea Physical Society biannual 2015 fall meeting. Gyeongju (Korea) Oct. 21 ~ Oct. 23 (Poster)

Kanghoon Yim, Joohee Lee and Seungwu Han

High-throughput first-principles study on doped-ZnO

Korea Physical Society biannual 2015 fall meeting. Gyeongju (Korea) Oct. 21 ~ Oct. 23 (Poster)

Kyuhyun Lee, Yong Youn and Seungwu Han

Development of a method to find the most stable spin configuration using first principle calculation

Korea Physical Society biannual 2015 fall meeting. Gyeongju (Korea) Oct. 21 ~ Oct. 23 (Poster)

Youngho Kang, Hochul Song. Kanghoon Yim and Seungwu Han

Ab Initio investigation of source of instability in amorphous semiconducting oxides

The 15th International Meeting on Information Display, Daegu (Korea) Aug. 18 ~ Aug. 21 (Invited)

Kanghoon Yim, Yong Youn, Joohee Lee. Kyuhyun Lee and Seungwu Han

New novel high-k candidates from ab initio high-throughput screening

The 11th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 18 ~ Jun. 19 (Poster)

Joohee Lee, Kanghoon Yim and Seungwu Han

High-throughput calculations of doping properties in ZnO

The 11th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 18 ~ Jun. 19 (Poster)

Kyuhyun Lee, Yong Youn and Seungwu Han

Development of a method to find the most stable spin configuration

The 11th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 18 ~ Jun. 19 (Poster)
awarded as excellent poster award
[Certificate]

Yong Youn and Seungwu Han

Theoretical study for ion current modulation by the gate embedded nanopore

The 11th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 18 ~ Jun. 19 (Poster)

Dongsun Yoo and Seungwu Han

A comparative study of van der Waals density functional with various exchange functionals on organic semiconductor crystals

The 11th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 18 ~ Jun. 19 (Poster)

Hochul Song, Youngho Kang, Ho-Hyun Nahm and Seungwu Han

A theoretical investigation on the amorphous interface between InGaZnO4 and SiO2

The 11th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 18 ~ Jun. 19 (Poster)

Kye Yeop Kim and Seungwu Han

Origin of hydrogen evolution on transition metal dicalcogenide materials

The 11th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 18 ~ Jun. 19 (Poster)

Youngho Kang and Seungwu Han

Vacuum level alignment between organic semiconductors from quasiparticle calculation

The 11th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 18 ~ Jun. 19 (Poster)

Gijae Kang, Youngho Kang and Seungwu Han

Influence of wavefunction updates in GW calculations on Titanites

The 11th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 18 ~ Jun. 19 (Poster)

Kanghoon Yim, Kyuhyun Lee, Joohee Lee, Yong Yoon and Seungwu Han

Automatizing Ab initio Calculations for High-throughput Screening

ACCMS-8, Taipei, Taiwan Jun. 16-18 (Invited)

Kanghoon Yim, Joohee Lee and Seungwu Han

Extensive Study on Doped-ZnO Using High-throughput Ab initio Calculation Approach

The 2015 Spring Meeting of the Korean Physical Society, Daejeon (Korea) Apr. 22-24 (Poster)

Gijae Kang, Youngho Kang and Seungwu Han

Influence of Wavefunction Updates in Self-consistent GW Calculations on TiO and SrTiO3

The 2015 Spring Meeting of the Korean Physical Society, Daejeon (Korea) Apr. 22-24 (Poster)

Kanghoon Yim, Joohee Lee, Kyuhyun Lee, Yong Yoon and Seungwu Han

Property Database and High-throughput Screening of Functional Materials

The 2015 Spring Meeting of the Korean Physical Society, Daejeon (Korea) Apr. 22-24 (Invited)

Hochul Song, Joohee Lee, Dongheon Lee, Kanghoon Yim and Seungwu Han

Oxygen vacancy in semiconducting oxides

The 2015 Spring Meeting of the Korean Physical Society, Daejeon (Korea) Apr. 22-24 (Invited)

Kanghoon Yim, Joohee Lee, Kyuhyun Lee, Yong Youn and Seungwu Han

Strategy for High-throughput Ab-initio Screening of Functional Ceramic Materials

2015 Spring Meeting of the Korean Ceramic Society, Pyungchang (Korea) Apr.15 ~ Apr. 17 (Invited)

Youngho Kang, Dongheon Lee and Seungwu Han

Impact of H-VZn defect complex on long lifetime of photocurrent in ZnO

The 9th International Conference on Computational Physics, Singapore (Singapore) Jan. 7 ~ Jan. 11 (Oral)

Kanghoon Yim, Joohee Lee, Yong Youn, Kyuhyun Lee and Seungwu Han

High-throughput screening for novel high-k dielectrics through first-principles calculation

The 9th International Conference on Computational Physics, Singapore (Singapore) Jan. 7 ~ Jan. 11 (Oral)

Yong Youn, Dongsun Yoo and Seungwu Han

Simulation of nanopore transistors: ion current modulation by the embedded gate electrode

The 9th International Conference on Computational Physics, Singapore (Singapore) Jan. 7 ~ Jan. 11 (Oral)

Joohee Lee, Kanghoon Yim and Seungwu Han

High-thorughput calculation for doped-ZnO

The 9th International Conference on Computational Physics, Singapore (Singapore) Jan. 7 ~ Jan. 11 (Poster)
awarded as best poster award
[Certificate]

Kyuhyun Lee, Yong Youn and Seungwu Han

Development of a method to find spin ordering in magnetic materials

The 9th International Conference on Computational Physics, Singapore (Singapore) Jan. 7 ~ Jan. 11 (Poster)

Gijae Kang, Youngho Kang and Seungwu Han

Influence of self-consistent wavefunction updates in quasiparticle band gap of titanates

The 9th International Conference on Computational Physics, Singapore (Singapore) Jan. 7 ~ Jan. 11 (Poster)

Hochul Song, Gijae Kang and Seungwu Han

Modeling of leakage current in MIM structures using kinetic monte carlo

The 9th International Conference on Computational Physics, Singapore (Singapore) Jan. 7 ~ Jan. 11 (Poster)

2014

Seungwu Han

Strategy for high-throughput ab initio screening of functional ceramic materials

The 31th International Korea-Japan Seminar on Ceramics, Changwon (Korea) Nov. 26 ~ Nov. 29 (Invited)

Kanghoon Yim, Joohee Lee, Kyuhyun Lee, Ho-Hyun Nham, Yong Youn and Seungwu Han

Searching for functional oxides using high-throughput ab initio screening

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 16 - Nov. 19 (Oral)

Joohee Lee, Kanghoon Yim and Seungwu Han

Automatic first-principles calculation scheme for oxygen vacancies in various oxide materials

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 16 - Nov. 19 (Poster)

Kanghoon Yim, Yong Youn, Joohee Lee, Kyuhyun Lee and Seungwu Han

Screening new high-k materials by high-throughput first-principles calculation

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 16 - Nov. 19 (Poster)

Kye Yeop Kim, Dongsun Yoo and Seungwu Han

Simulation for distordered morphologies in organic semiconductors

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 16 - Nov. 19 (Poster)

Yong Youn, Youngho Kang and Seungwu Han

An efficeint modeling scheme to generate amorphous structures

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 16 - Nov. 19 (Poster)

Hochul Song, Youngho Kang, Ho-Hyun Nham and Seungwu Han

First-principles study on electronic sutructures of amorphous InGaZnO-SiO2 interfaces

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 16 - Nov. 19 (Poster)

Gijae Kang, Youngho Kang and Seungwu Han

Quasiparticle electronic structures of TiO2 and SrTiO3

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 16 - Nov. 19 (Poster)

Youngho Kang, Dongheon Lee and Seungwu Han

Energetics and kinetics of bulk reconstruction of O-O bond in ZnO

International Conference on Electric Materials and Nanotechnology for Green Environment, Jeju (Korea) Nov. 16 - Nov. 19 (Oral)

Gijae Kang, Youngho Kang and Seungwu Han

Influence of wavefunction updates in quasiparticle band structure in titanates

The 17th Asian Workshop on First-Principles Electronic Structure Calculations, Seoul (Korea) Nov. 2 - Nov. 5 (Poster)

Kye Yeop Kim and Seungwu Han

Charge compensation mechnism on LaMnO3(001) surface

The 17th Asian Workshop on First-Principles Electronic Structure Calculations, Seoul (Korea) Nov. 2 - Nov. 5 (Poster)

Hochul Song, Youngho Kang, Ho-Hyun Nahm and Seungwu Han

Ab-initio calculation on electronic structures of amorphous InGaZnO-SiO2 interfaces

The 17th Asian Workshop on First-Principles Electronic Structure Calculations, Seoul (Korea) Nov. 2 - Nov. 5 (Poster)

Youngho Kang and Seungwu Han

Microscopic origin of the persistent photoconductivity in ZnO : oxygen vacancy vs. znic vacancy

The 17th Asian Workshop on First-Principles Electronic Structure Calculations, Seoul (Korea) Nov. 2 - Nov. 5 (Poster)

Joohee Lee, Kanghoon Yim and Seungwu Han

Oxygen vacancy calculations of various oxide materials by high-throughput approach

The 17th Asian Workshop on First-Principles Electronic Structure Calculations, Seoul (Korea) Nov. 2 - Nov. 5 (Poster)

Kanghoon Yim, Yong Youn, Joohee Lee, Kyuhyun Lee and Seungwu Han

High-throughput screening for new high-k dielectric materials using first-principles calculation

The 17th Asian Workshop on First-Principles Electronic Structure Calculations, Seoul (Korea) Nov. 2 - Nov. 5 (Poster)

Yong Youn, Youngho Kang and Seungwu Han

Development of an efficient scheme to generate amorphous structures

The 17th Asian Workshop on First-Principles Electronic Structure Calculations, Seoul (Korea) Nov. 2 - Nov. 5 (Poster)

Youngho Kang, and Seungwu Han

First principles study on oxygen bond reconstruction in bulk ZnO

8th International Workshop on Zinc Oxide and Related Materials, Ontario (Canada) Sep. 8 - Sep. 11 (Oral)

Hochul Song, Youngho Kang, Ho-Hyun Nahm and Seungwu Han

First-principles calculation on electronic and atomic structures of amorphous InGaZnO-Si02 interfaces

8th International Workshop on Zinc Oxide and Related Materials, Ontario (Canada) Sep. 8 - Sep. 11 (Poster)

Youngho Kang, Hochul Song, Seungwu Han

Electronic, transport, and optical properties of amorphous semiconducting oxides

The 8th International Conference on the Science and Technology for Advanced Ceramics, Yokohama (Japan) Jun. 25 ~ Jun. 27 (Invited)

Hochul Song, Youngho Kang, Ho-Hyun Nahm and Seungwu Han

First-principles study of amorphous InGaZnO-SiO2 interfaces

The 8th International Conference on the Science and Technology for Advanced Ceramics, Yokohama (Japan) Jun. 25 ~ Jun. 27 (Poster)

Youngho Kang and Seungwu Han

Intrinsic absorption edge of crystalline and amorphous semiconducting oxides

The 8th International Conference on the Science and Technology for Advanced Ceramics, Yokohama (Japan) Jun. 25 ~ Jun. 27 (Oral)

Kanghoon Yim, Yong Youn, Joohee Lee, Kyuhyun Lee and Seungwu Han

Searching for super high-k dielectrics using high-throughput ab initio calculation

The 8th International Conference on the Science and Technology for Advanced Ceramics, Yokohama (Japan) Jun. 25 ~ Jun. 27 (Poster)
awarded as first prize poster award
[Certificate]

Yong Youn and Seungwu Han

Rectification behavior in solid-state nanopores with embedded gate electrode

The 10th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 19 ~ Jun. 20 (Poster)

Kanghoon Yim, Yong Youn, Kyuhyun Lee and Seungwu Han

High-throughput first-principles calculation for searching new high-k materials

The 10th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 19 ~ Jun. 20 (Poster)

Hochul Song, Yungho Kang, Ho-Hyun Nahm and Seungwu Han

Ab-initio study on electronic structures of amorphous InGaZnO-SiO2 interfaces

The 10th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 19 ~ Jun. 20 (Poster)

Kye Yeop Kim and Seungwu Han

Charge compensation mechanism on LaMnO3(001) surface

The 10th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 19 ~ Jun. 20 (Poster)

Youngho Kang and Seungwu Han

Reconstruction of O-O bond in bulk ZnO

The 10th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 19 ~ Jun. 20 (Poster)

Gijae Kang, Youngho Kang and Seungwu Han

GW calculations on TiO2 polymorphs and SrTiO3

The 10th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 19 ~ Jun. 20 (Poster)

Joohee Lee, Kanghoon Yim and Seungwu Han

High-throughput calculation scheme for oxygen vacancies in various oxide materials

The 10th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 19 ~ Jun. 20 (Poster)

Kanghoon Yim, Yong Youn, and Seungwu Han

Material map on band gap versus dielectric constant: data mining for ideal high-k dielectrics

2014 MRS spring meeting, San Francisco (US) Apr. 21 ~ Apr. 25 (Oral)

Yong Youn, and Seungwu Han

Development of an efficient scheme for generating amorphous structures

2014 MRS spring meeting, San Francisco (US) Apr. 21 ~ Apr. 25 (Poster)

Joohee Lee, and Seungwu Han

Thermodynamics of intrinsic point defects in hematite: an ab-initio study

2014 MRS spring meeting, San Francisco (US) Apr. 21 ~ Apr. 25 (Poster)

Youngho Kang, and Seungwu Han

First principles study on microscopic origin of visible light absorption in amorphous transparent conducting oxides

2014 MRS spring meeting, San Francisco (US) Apr. 21 ~ Apr. 25 (Poster)

Kye Yeop Kim, and Seungwu Han

Competing local orders in liquid and amorphous structures of Ge2Sb2Te5: influence of exchange-correlation functional

2014 Spring Meeting of the Korean Ceramic Society, Goyang (Korea) Apr. 16 ~ Apr. 18 (Poster)

Yong Youn, Youngho Kang, and Seungwu Han

Development of an efficient method for amorphous structures modeling

2014 Spring Meeting of the Korean Ceramic Society, Goyang (Korea) Apr. 16 ~ Apr. 18 (Oral)

2013

Kye Yeop Kim, Eunae Cho, and Seungwu Han

Ab initio approach to understand and improve phase change memory

The 8th International Conference on Advanced Materials and Devices, Jeju (Korea) Dec. 11 ~ Dec. 13 (Invited)

Kye Yeop Kim, and Seungwu Han

Competition of local orders in disordered phase of Ge2Sb2Te5 and GeSe2: octahedral versus tetrahedral Ge

The 8th International Conference on Advanced Materials and Devices, Jeju (Korea) Dec. 11 ~ Dec. 13 (Poster)

Yong Youn, Youngho Kang, and Seungwu Han

An efficient scheme for generating amorphous structures

The 8th International Conference on Advanced Materials and Devices, Jeju (Korea) Dec. 11 ~ Dec. 13 (Poster)

Kanghoon Yim, Yong Youn, and Seungwu Han

Data Mining for Next-generation High-k Dielectrics; Automation of Band Gap and Permittvity Calculation

The 2013 Fall Meeting of the Korean Physical Society, Changwon (Korea) Oct. 30 ~ Nov. 1 (Poster)
awarded as an excellent presentation
[Certificate]

Youngho Kang, Kye Yeop Kim, and Seungwu Han

비정질 산화물 반도체의 전기적 및 광학적 성질에 관한 제일원리 계산 연구

Electronic Materials and Nanotechnology for Green Environment 2013, Gwangju (Korea) Oct. 25 (Poster)

Yong Youn, Kanghoon Yim, and Seungwu Han

Automation of ab initio Calculations Toward Massive Database of Material Properties

The 2013 Fall Conference of the Korean Institute of Metals and Materials, Gwangju (Korea) Oct. 24 ~ Oct. 25 (Invited)

Youngho Kang, Hochul Song, and Seungwu Han

Electronic Structures and Transport Properties of Amorphous Semiconducting Oxides

The 2013 Fall Meeting of the Korean Ceramic Society, Jeju (Korea) Oct. 16 ~ Oct. 18 (Invited)

Kanghoon Yim, Yong Youn, and Seungwu Han

Automated search for dielectrics with large band gap and dielectric constant

The 7th Conference of the Asian Consortium on Computational Materials Science, Nakhon Ratchasima (Thailand) July. 23 ~ July. 28 (Poster)

Hochul Song, Youngho Kang, Ho-Hyun Nahm and Seungwu Han

Ab-initio calculations on InGaZnO/SiO2 interfaces

The 7th Conference of the Asian Consortium on Computational Materials Science, Nakhon Ratchasima (Thailand) July. 23 ~ July. 28 (Poster)

Youngho Kang, and Seungwu Han

GW calculations on quasiparticle band structures of post-transition-metal oxides

The 7th Conference of the Asian Consortium on Computational Materials Science, Nakhon Ratchasima (Thailand) July. 23 ~ July. 28 (Poster)

Youngho Kang, Gijae Kang and Seungwu Han

GW calculations on transition and post-transition metal oxides

The 9th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 20 ~ Jun. 21 (Invited)

Youngho Kang, and Seungwu Han

The electronic structure calculation for post-transition-metal oxides in GW approximation

The 9th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 20 ~ Jun. 21 (Poster)

Kye Yeop Kim, Joohee Lee, and Seungwu Han

Theoretical study of H2 evolution on N-doped monolayer graphene

The 9th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 20 ~ Jun. 21 (Poster)

Gijae Kang, and Seungwu Han

GW calculations for correlated transition metal oxides

The 9th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 20 ~ Jun. 21 (Poster)

Joohee Lee and Seungwu Han

Thermodynamics of intrinsic point defects in hematite

The 9th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 20 ~ Jun. 21 (Poster)
awarded as an excellent presentation
[Certificate]

Hochul Song, Youngho Kang, Ho-Hyun Nahm and Seungwu Han

Electronic and atomic structures of InGaZnO-SiO2 interfaces

The 9th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 20 ~ Jun. 21 (Poster)

Kanghoon Yim, Yong Youn, and Seungwu Han

Data mining for next generation high-k dielectrics; materials map of band gap versus permittivity

The 9th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 20 ~ Jun. 21 (Poster)

Youngho Kang and Seungwu Han

An efficient method to generate amorphous structures

The 9th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 20 ~ Jun. 21 (Poster)

Kanghoon Yim, Yong Youn and Seungwu Han

Materials map for band gap versus dielectric constants; searching for dream dielectrics

The 10th Pacific Rim Conference on Ceramic and Glass Technology, San Diego (US) Jun. 2-7 (Invited)

Youngho Kang and Seungwu Han

Universal band structures and electron scattering mechanism in transparent semiconducting oxides

8th International Symposium on Transparent Oxide and Related Materials for Electronics and Optics, Tokyo (Japan) May. 13-15 (Poster)
awarded as an excellent presentation
[Certificate]

Yong Youn and Seungwu Han

New method to generate amorphous structure

2013 Spring Conference of the Korean Institute of Metals and Materials, Jeju (Korea) Apr. 25-26 (Poster)

Kanghoon Yim, Yong Youn and Seungwu Han

Materials map for band gap versus permittivity using automated high-throughput calculation

2013 Spring Conference of the Korean Institute of Metals and Materials, Jeju (Korea) Apr. 25-26 (Poster)

Hochul Song and Seungwu Han

제일원리 계산을 이용한 a-IGZO/a-SiO2 계면의 전자구조 연구

2013 Spring Conference of the Korean Institute of Metals and Materials, Jeju (Korea) Apr. 25-26 (Poster)

Joohee Lee and Seungwu Han

Thermodynamics study on point defects in hematite (α-Fe2O3) using first-principles calculations

2013 Spring Conference of the Korean Institute of Metals and Materials, Jeju (Korea) Apr. 25-26 (Poster)
awarded as an excellent presentation
[Certificate]

Youngho Kang, Kye Yeop Kim and Seungwu Han

Self-consistent quasi-particle GW calculation for the post-transition-metal oxides

The 2013 Spring Meeting of the Korean Physical Society, Daejeon (Korea) Apr. 24-26 (Poster)

Youngho Kang, Gijae Kang and Seungwu Han

GW methods within VASP: test on oxides

The 2013 Spring Meeting of the Korean Physical Society, Daejeon (Korea) Apr. 24-26 (Invited)

Gijae Kang and Seungwu Han

Self-consistent GW calculation for correlated transition metal oxides

The 2013 Spring Meeting of the Korean Physical Society, Daejeon (Korea) Apr. 24-26 (Poster)

Kye Yeop Kim and Seungwu Han

Competition of local orders in disordered phase of Ge2Sb2Te5: octahedral versus tetrahedral Ge

2013 MRS Spring Meeting & Exhibit, San Francisco (US) Apr. 1-5 (Poster)

Joohee Lee, Kye Yeop Kim, Gijae Kan and Seungwu Han

First-principles study on native defects in α-Fe2O3; Implication to efficiency of water splitting

2013 MRS Spring Meeting & Exhibit, San Francisco (US) Apr. 1-5 (Poster)

Youngho Kang, and Seungwu Han

Quasi-linear band structure and electronic transport in transparent conducting oxides

16th International Workshop on Computational Physics and Materials Science: Total Energy and Force Methods, Trieste (Italy) Jan. 10-12 (Poster)

Kye Yeop Kim and Seungwu Han

Infulence of exchane-correlation functional on local order competition in disordered phase of Ge2Sb2Te5: octahedral versus tetrahedral Ge

16th International Workshop on Computational Physics and Materials Science: Total Energy and Force Methods, Trieste (Italy) Jan. 10-12 (Poster)

2012

Joohee Lee and Seungwu Han

Native point defects in α-Fe2O3

15th Asian Workshop on First-principles Electronic Structure Calculations, Taipei (Taiwan) Nov. 5-7 (Poster)

Kye Yeop Kim and Seungwu Han

Liquid and amorphous structure of Ge2Sb2Te5: octahedral versus tetrahedral Ge

15th Asian Workshop on First-principles Electronic Structure Calculations, Taipei (Taiwan) Nov. 5-7 (Poster)

Youngho Kang, Sang Ho Jeon and Seungwu Han

Band structures and scattering mechanism of amorphous semiconducting oxides

KRISS Computational Metrology Workshop, Daejeon (Korea) Nov. 2 (Invited)

Youngho Kang, Sang Ho Jeon and Seungwu Han

Band structures and scattering mechanism of semiconducting oxides

International Union of Materials Research Societies - International Conference on Electronic Materials 2012, Yokohama (Japan) Sept. 23 ~ Sept. 28 (Invited)

Youngho Kang, Hochul Song and Seungwu Han

Scattering mechanism in single-crystalline semiconducting oxides

International Union of Materials Research Societies - International Conference on Electronic Materials 2012, Yokohama (Japan) Sept. 23 ~ Sept. 28 (Oral)

Kye Yeop Kim, Yong Youn and Seungwu Han

Local order competition depending on exchange-correlation functional in disordered phases of Ge2Sb2Te5

International Union of Materials Research Societies - International Conference on Electronic Materials 2012, Yokohama (Japan) Sept. 23 ~ Sept. 28 (Oral)

Joohee Lee, Kanghoon Yim and Seungwu Han

DFT+U calculations on the point defects in α-Fe2O3

International Union of Materials Research Societies - International Conference on Electronic Materials 2012, Yokohama (Japan) Sept. 23 ~ Sept. 28 (Poster)

Sang Ho Jeon, Gijae Kang, and Seungwu Han

First-principles study on the influence of strain on the nature of oxygen vacancy in SnO2

International Union of Materials Research Societies - International Conference on Electronic Materials 2012, Yokohama (Japan) Sept. 23 ~ Sept. 28 (Oral)

Bora Lee, and Seungwu Han

Hybrid functional studies on titanates with various valence configurations

International Union of Materials Research Societies - International Conference in Asia 2012, Busan (Korea) Aug. 26 ~ Aug. 31 (Oral)

Kye Yeop Kim, and Seungwu Han

Ab initio approach to understand and improve phase-change memory

International Union of Materials Research Societies - International Conference in Asia 2012, Busan (Korea) Aug. 26 ~ Aug. 31 (Invited)

S. Kasamatsu, S. Watanabe, and Seungwu Han

Dielectric response and capacitance of nanosized capacitors

The 8th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 21 ~ Jun. 22 (Oral)

Youngho Kang, and Seungwu Han

Theoretical study on the electron mobility in c-IGZO

The 8th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 21 ~ Jun. 22 (Poster)

Kanghoon Yim, Yong Youn, and Seungwu Han

Automation of ab initio calculation for materials map; application to band gap and permittivity

The 8th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 21 ~ Jun. 22 (Poster)

Sang Ho Jeon, and Seungwu Han

First-principles study on the oxygen vacancy in In2O3 and SnO2

The 8th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 21 ~ Jun. 22 (Poster)

Bora Lee, and Seungwu Han

Hybrid functional study on the ground state properties of titanates

The 8th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 21 ~ Jun. 22 (Poster)

Kye Yeop Kim, and Seungwu Han

Influence of exchange-correlation functionals on atomic structure of disordered system of Ge2Sb2Te5

The 8th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 21 ~ Jun. 22 (Poster)
awarded as an excellent presentation
[Certificate]

Joohee Lee, and Seungwu Han

First-principles study on intrinsic point defects in hematite (α-Fe2O3)

The 8th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 21 ~ Jun. 22 (Poster)

Sang Ho Jeon, Kanghoon Yim, Junghyun Noh, and Seungwu Han

The strain effect on the nature of oxygen vacancy in SnO2: First-principles study

The 2012 Spring Conference of the Korean Institute of Metals and Materials, Hoengseong (Korea) Apr. 26 ~ Apr. 27 (Poster)

Youngho Kang, Hochul Song, and Seungwu Han

Theoretical study on scattering mechanism in InGaO3(ZnO)n

The 2012 Spring Meeting of the Korean Physical Society, Daejeon (Korea) Apr. 25 ~ Apr. 27 (Poster)

Bora Lee, Joohee Lee, and Seungwu Han

Local structure of amorphous GeSe studied by ab-initio molecular dynamics

The 2012 Spring Conference of the Korean Institute of Metals and Materials, Hoengseong (Korea) Apr. 26 ~ Apr. 27 (Poster)

Kye Yeop Kim, Young Yun, Gijae Kang, and Seungwu Han

Effect of exchange-correlation functional on liquid and amorphous structures of Ge2Sb2Te5

The 2012 Spring Meeting of the Korean Physical Society, Daejeon (Korea) Apr. 25 ~ Apr. 27 (Poster)

Seungwu Han, Shusuke Kasamatsu, Bora Lee, and Satoshi Watanabe

Computation of capacitance at nanometer scale using first-principles methods

The 2012 Spring Meeting of the Korean Physical Society, Daejeon (Korea) Apr. 25 ~ Apr. 27 (Invited)

Joohee Lee, and Seungwu Han

First-principles study on the intrinsic point defects in hematite(α-Fe2O3)

The 2012 Spring Meeting of the Korean Ceramic Society, Daegu (Korea) Apr. 19 ~ Apr. 20 (Poster)

Youngho Kang, and Seungwu Han

Theoretical approach on electron mobility in c-InGaO3(ZnO)n

The 2012 Spring Meeting of the Korean Ceramic Society, Daegu (Korea) Apr. 19 ~ Apr. 20 (Poster)

Youngho Kang, Sang Ho Jeon, and Seungwu Han

Universal band structures and scattering mechanism of transparent conduction oxides

The 2012 Spring Meeting of the Korean Ceramic Society, Daegu (Korea) Apr. 19 ~ Apr. 20 (Invited)

Kye Yeop Kim, and Seungwu Han

Influence of exchange-correlation functionals on liquid and amorphous structures of Ge2Sb2Te5

The 2012 MRS Spring Meeting & Exhibit, San Francisco (US) Apr. 9 ~ Apr. 13 (Oral)

Youngho Kang, Sang Ho Jeon, Young-Woo Son, Young-Su Lee, Sangyoon Lee, Myungkwan Ryu, and Seungwu Han

Role of oxygen p orbitals in electronic structures and transport properties of transparent conduction oxides

The 2012 MRS Spring Meeting & Exhibit, San Francisco (US) Apr. 9 ~ Apr. 13 (Poster)

2011

Sang Ho Jeon, Sangyoon Lee, Myungkwan Ryu, and Seungwu Han

Cross-over behavior in the nature of oxygen vacancy in In2O3

2011 MRS Fall Meeting, Boston (US) Nov. 27 ~ Dec. 2 (Oral)

Youngho Kang, Sang Ho Jeon, Young-Woo Son, Sangyoon Lee, Myungkwan Ryu, and Seungwu Han

Universal features in band structures of crystalline and amorphous transparent conducting oxides

2011 MRS Fall Meeting, Boston (US) Nov. 27 ~ Dec. 2 (Poster)

Bora Lee and Seungwu Han

Ab-initio molecular dynamics study on amorphous GeSe

2011 International Symposium on Chalcogenide Materials and Devices, Seoul (Korea) Nov. 10 (Poster)

Youngho Kang, Sang Ho Jeon, Young-Woo Son, and Seungwu Han

The Universal features in band structures of crystalline and amorphous transparent conducting oxide

The 14th Asian Workshop on First-Principles Electronic Structure Calculations, Tokyo (Japan) Oct. 31- Nov. 2 (Invited)

Sohee Park, and Seungwu Han

The roles of Ge in amorphous Sb4Te

2011 Korean Physical Society, Fall Meeting, Busan (Korea) Oct. 19-21 (Poster)
awarded as an excellent presentation

Sang Ho Jeon, Joohee Lee, Sangyoon Lee, Myungkwan Ryu and Seungwu Han

Cross-over behavior in the nature of oxygen vacancy in In2O3

2011 Korean Physical Society, Fall Meeting, Busan (Korea) Oct. 19-21 (Oral)

Eunae Cho, Yong Youn, Joohee Lee and Seungwu Han

Ab initio investigations of amorphous stability of doped Ge2Sb2Te5

ACCMS-6, Singapore Sep. 6-9 (Poster)

Kye Yeop Kim, Bora Lee, Sohee Park and Seungwu Han

Hybrid functional study on liquid and amorphous structures of Ge2Sb2Te5

EPCOS 2011, Zurich (Switzerland) Sep. 5-6 (PosterInvited)

Seungwu Han

Atomic-scale modeling of phase change phenomena in Ge2Sb2Te5

2011 Nano Korea, KINTEX, Gyeonggi-do (Korea) Aug. 24-26 (Invited)

Sohee Park, and Seungwu Han

Local structure and electronic properties of Sb-rich Sb-Te alloys

2011 Nano Korea, KINTEX, Gyeonggi-do (Korea) Aug. 24-26 (Poster)

Kye Yeop Kim, and Seungwu Han

First-principles study of liquid Ge2Sb2Te5 using hybrid functional

2011 Nano Korea, KINTEX, Gyeonggi-do (Korea) Aug. 24-26 (Poster)

Eunae Cho, and Seungwu Han

Effect of dopants on the amorphous stability of Ge2Sb2Te5

2011 Nano Korea, KINTEX, Gyeonggi-do (Korea) Aug. 24-26 (Poster)

Seungwu Han

CNT 물성 및 이론

한국탄소학회 2011년 춘계학술대회, 특별포럼: CNT/Graphene Based Carbon Science & Technology May 19 (Invited)

Shusuke Kasamatsu, Seungwu Han and Satoshi Watanabe

Orbital partition approach for the self-consistent calculation of a charged nanocapacitor from first principles

2011 Materials Research Society spring meeting, San Francisco, CA (USA) Apr 25-29 (Oral)

Eunae Cho, Dohyung Kim, Hideke Horii, and Seungwu Han

Ab initio study on influence of dopants on crystalline and amorphous Ge2Sb2Te5

2011 Materials Research Society spring meeting, San Francisco, CA (USA) Apr 25-29 (Oral)

Eunae Cho, and Seungwu Han

Atomic and electronic structures of doped Ge2Sb2Te5 and GeTe for phase change memory

2011 Sping Conference of Korean Institute of Metals and Materials, Daegu (Korea) Apr. 21-22 (Oral)

Sohee Park, Eunae Cho, Sang Ho Jeon, Young-ho Kang, Byung-ki Cheong and Seungwu Han

Local structure and electronic properties of Sb-Te alloy materials

2011 Korean Physical Society, Spring Meeting, Daejeon (Korea) Apr. 13-15 (Oral)

Bora Lee and Seungwu Han

First-principles study of amorphous GeSe

2011 Korean Physical Society, Spring Meeting, Daejeon (Korea) Apr. 13-15 (Poster)

Shusuke Kasamatsu,Seungwu Hanand Satoshi Watanabe

Ab initio approach to calculate capacitance of nanocapacitors

The 3rd ACCMS Working Group Meeting on advances in Nano-device Simulation, Jeju (Korea) Mar. 31-Apr. 2 (Invited)

2010

Bora Lee and Seungwu Han

First-principles Study on Oxygen Vacancy in SrTiO3 using Hybrid Functional

The 27th International Korea-Japan Seminar on Ceramics, Songdo Convensia, Incheon (Korea) Nov. 23 ~ Nov. 26 (Poster)

Sang Ho Jeon, Kye-youp Kim, Young-Ho Kang and Seungwu Han

First-principles Study on the Role of Oxygen Vacancy in In2O3

The 27th International Korea-Japan Seminar on Ceramics, Songdo Convensia, Incheon (Korea) Nov. 23 ~ Nov. 26 (Oral)

Shusuke Kasamatsu, Seungwu Han and Satoshi Watanabe

Orbital Partition Approach for the Application of Bias Voltage in Total Energy Density Functional Calculations

The 13th Asian Workshop on First-Principles Electronic Structure Calculations, POSTECH Pohang (Korea) Nov. 1 ~ Nov. 3 (Poster)

Sang Ho Jeon, Kye-youp Kim, Young-Ho Kang and Seungwu Han

Various functional studies on the oxygen vacancy in transparent conducting oxides

The 13th Asian Workshop on First-Principles Electronic Structure Calculations, POSTECH Pohang (Korea) Nov. 1 ~ Nov. 3 (Poster)

Eunae Cho and Seungwu Han

Ab initio study on the effect of dopants on the crystalline and amorphous structures of Ge2Sb2Te5

The 13th Asian Workshop on First-Principles Electronic Structure Calculations, POSTECH Pohang (Korea) Nov. 1 ~ Nov. 3 (Poster)

Sohee Park, Eunae Cho, Byung-ki Cheong and Seungwu Han

Local structure and electronic properties of ideal glass and melt-quenched Sb2Te3 and GeTe

The 13th Asian Workshop on First-Principles Electronic Structure Calculations, POSTECH Pohang (Korea) Nov. 1 ~ Nov. 3 (Poster)

Bora Lee, Sohee Park and Seungwu Han

First-principles study using hybrid functional: from basic properties of materials to complicated system

The 13th Asian Workshop on First-Principles Electronic Structure Calculations, POSTECH Pohang (Korea) Nov. 1 ~ Nov. 3 (Poster)

Sang Ho Jeon, and Seungwu Han

Hybrid functional studies on the oxygen vacancy in transparent conducting oxides

3rd International Symposium on Transparent Conductive Materials, TCM2010, Crete (Greece) Oct. 17 ~ Oct. 21 (Poster)

Sang Ho Jeon, Bora Lee and Seungwu Han

Computational Study on Defects in Conducting Oxides

The Korean Ceramic Society, ICCJEJU, Jeju-do (Korea) Oct. 21 ~ Oct. 23 (Invited)

Eunae Cho, Jino Im, Jisoon Ihm, Dohyung Kim, H Horii, and Seungwu Han

Atomic and electronic structures of doped Ge2Sb2Te5 for phase change memory

International Conference on Electronic Materials 2010 presented by International Union of Materials Research Societies, KINTEX, Gyeonggi-do (Korea) Aug. 22 ~ Aug. 27 (Oral)

Bora Lee, and Seungwu Han

Comparison hybrid functional with conventional DFT: from basic properties of materials to complicated system

International Conference on Electronic Materials 2010 presented by International Union of Materials Research Societies, KINTEX, Gyeonggi-do (Korea) Aug. 22 ~ Aug. 27 (Oral)
awarded as the best paper

Sang Ho Jeon, and Seungwu Han

Nature of oxygen vacancy in transparent conducting oxides

International Conference on Electronic Materials 2010 presented by International Union of Materials Research Societies, KINTEX, Gyeonggi-do (Korea) Aug. 22 ~ Aug. 27 (Invited)

Bora Lee, Seungwu Han, and Yong-sung Kim

Hydrogen incorporation in epitaxial graphene on 6H-SiC(0001)

30th International Conference on the Physics of Semiconductors 2010, Seoul (Korea) Jul. 25 ~ Jul. 30 (Oral)

Bora Lee, Sohee Park, Sang Ho Jeon, and Seungwu Han

Hybrid functional study on d1 titanates: Ti2O3 and LaTiO3

The 2nd APCTP-IACS Joint Conference 'International Conference on Physics of Novel Oxide Materials', APCTP Headquaters, Pohang (Korea) Jul. 15 ~ Jul. 17 (Invited)

Seungwu Han

Hybrid functional study on the oxygen vacancy in metal oxides

The 7th Asian Meeting on Ferroelectricity and the 7th Asian Meeting on ElectroCeremics, Jeju (Korea) Jun. 28 ~ Jul. 1 (Invited)

Eunae Cho, Jino Im, Dohyung Kim, Hideki Horii, Jisoon Ihm, and Seungwu Han

The effect of dopants on the amorphous structure of Ge2Sb2Te5

The 5th KIAS Electronic Structure Calculation Workshop, Seoul (Korea) Jun. 21 ~ Jun. 22 (Poster)

Sang Ho Jeon, Bora Lee, and Seungwu Han

Hybrid functional study on the oxygen vacancy in metal oxides

2010 The Korean Ceramic Society spring meeting, Changwon exhibition convention center, Changwon, Gyongsangnam-do (Korea) Apr. 22 ~ Apr. 23 (Invited)

Jino Im, Eunae Cho, Dohyung Kim, Hideki Horii, Jisoon Ihm, and Seungwu Han

Effect of pressure on the amorphous structures of Ge2Sb2Te5 and its implications to the mechanism of resistance drift

2010 Materials Research Society spring meeting, San Fancisco CA (USA) Apr. 5 ~ Apr. 9 (Oral)

Eunae Cho, Jino Im, Dohyung Kim, Hideki Horii, Jisoon Ihm, and Seungwu Han

The effect of dopants on the amorphous structure of Ge2Sb2Te5

2010 Materials Research Society spring meeting, San Fancisco CA (USA) Apr. 5 ~ Apr. 9 (Poster)

2009

Won-joon Son, Eunae Cho, and Seungwu Han

Spatial distribution of charge carrier and effect of internal strain in intrinsic n-type SrTiO3-LaAlO3

The 6th International Conference on Advanced Materials and Devices, Jeju, Korea Dec. 9 ~ Dec. 11 (Poster)

Eunae Cho, Jino Im, Changwon Park, Jisoon Ihm, and Seungwu Han

The electronic and structural properties of the amorphous Ge2Sb2Te5

The 6th International Conference on Advanced Materials and Devices, Jeju, Korea Dec. 9 ~ Dec. 11 (Poster)

Won-joon son, Eunae Cho, and Seungwu Han

Spatial distribution of charge carrier and effect of internal strain in intrinsic n-type SrTiO3-LaAlO3

The 12th Asian Workshop on First-Principles Electronic Structure Calculations, Beijing Oct. 26 ~ Oct. 29 (Poster)

Eunae Cho, Jino Im, Changwon Park, Jisoon Ihm, and Seungwu Han

Molecular dynamics study on amorphous Ge2Sb2Te5; melt-quenched versus ideal glasses

The 12th Asian Workshop on First-Principles Electronic Structure Calculations, Beijing Oct. 26 ~ Oct. 29 (Poster)

Sohee Park, Jun-hyuk Kwak, Jeong-O Lee, Ki-jeong Kogn and Hyunju Chang

Ab initio studies on the interaction of DMMP and Sarin with small molecules for chemical warfare detection

The 12th Asian Workshop on First-Principles Electronic Structure Calculations, Beijing Oct. 26 ~ Oct. 29 (Poster)

Bora Lee, Yogn-sung Kim, and Seungwu Han

First-principles study on preferential atomic sites for hydrogen injected into the epitaxial grephene on 6H-SiC(0001)

The 12th Asian Workshop on First-Principles Electronic Structure Calculations, Beijing Oct. 26 ~ Oct. 29 (Poster)

Jino Im, Jisoon Ihm, Eunae Cho and Seungwu Han

Atomic and electronic structures of amorphous GST

EuropeanPhase Change and Ovonics Symposium 2009, Aachen (Germany) Sep. 6 ~ Sep. 8 (Invited)

Bora Lee, Seungwu Han, and Yong-sung Kim

First-principles study of graphene exfoliation from SiC substrate using hydrogen

2009 Korean Physical Society, Spring Meeting, Dae-Jeon Apr. 23 ~ Apr. 24 (Poster)

Sang Ho Jeon, Bae Ho Park, Young-woo Son and Seungwu Han

First-principles study on the electronic properties of charged graphene nanoribbon

2009 Korean Physical Society, Spring Meeting, Dae-Jeon Apr. 23 ~ Apr. 24 (Poster)

Jino Im, Chang Won Park, Jisoon Ihm, Eunae Cho and Seungwu Han

First-principles molecular dynamics study on the confinement effect for atomic and electronic structure in amorphous Ge2Sb2Te5

2009 Korean Physical Society, Spring Meeting, Dae-Jeon Apr. 23 ~ Apr. 24 (Poster)

Eunae Cho, Jino Im, Jisoon Ihm and Seungwu Han

Molecular dynamics study on the structure of amorphous Ge2Sb2Te5

2009 Korean Physical Society, Spring Meeting, Dae-Jeon Apr. 23 ~ Apr. 24 (Oral)
awarded as an excellent presentation

Won-joon Son and Seungwu Han

Conducting states at the interface of TTF and TCNQ organic crystals

2009 Korean Physical Society, Spring Meeting, Dae-Jeon Apr. 23 ~ Apr. 24 (Oral)

Won-joon Son and Seungwu Han

Mechanism of Carrier Generation in LaAlO3-SrTiO3 Interface

2009 Korean Physical Society, Spring Meeting, Dae-Jeon Apr. 23 ~ Apr. 24 (Invited)

Won-joon Son, Eunae Cho and Seungwu Han

Spatial Distribution and Density of Charge Carrier in Intrinsic n-type SrTiO3-LaAlO3 Interface

2009 Materials Research Society, Spring Meeting, San Francisco, CA (USA) Apr. 13 ~ Apr. 17 (Poster)

Sang Ho Jeon, Won-joon Son, Bae Ho Park and Seungwu Han

First-principles study on the electromigration of oxygen vacancy in metal oxides

2009 American Physical Society, March meeting, Pittsburgh (USA) Mar. 16 ~ Mar. 20 (Oral)

Won-joon Son, Eunae Cho and Seungwu Han

Electronic structures of intrinsic n-type SrTiO3-LaAlO3 interface: density and spatial distribution of free carriers

2009 American Physical Society, March meeting, Pittsburgh (USA) Mar. 16 ~ Mar. 20 (Oral)

Bora Lee, Seungwu Han and Yong-sung Kim

Exfoliation of graphene flake from SiC substrate using hydrogen injection: a first-principles study

2009 American Physical Society, March meeting, Pittsburgh (USA) Mar. 16 ~ Mar. 20 (Oral)

Eunae Cho, Jino Im, Jisoon Ihm and Seungwu Han

The structural and electronic properties of the amorphous Ge2Sb2Te5

2009 American Physical Society, March meeting, Pittsburgh (USA) Mar. 16 ~ Mar. 20 (Oral)

Won-joon Son, Eunae Cho, Bora Lee, Jaichan Lee and Seungwu Han

First-principles study on the conduction mechanism of n-type SrTiO3-LaAlO3

제 5차 강유전체 연합심포지움, 무주 Feb. 8 ~ Feb. 10 (Invited)

2008

Eunae Cho, Jino Im, Jisoon Ihm and Seungwu Han

Molecular dynamics simulation to study amorphous structure of Ge2Sb2Te5

Mini Symposium on Recent Progress in Molecular Simulations Research in Korea, Seoul Dec. 19 (Invited)

Eunae Cho, Jino Im, Jisoon Ihm and Seungwu Han

Molecular dynamics study on the structure of amorphous Ge2Sb2Te5

Computational Science Workshop 2008, Tsukuba, Japan Dec. 8 ~ Dec. 10 (Poster)

Sang Ho Jeon, Won-joon Son and Seungwu Han

Electromigration of oxygen vacancy in metal oxide

Computational Science Workshop 2008, Tsukuba, Japan Dec. 8 ~ Dec. 10 (Poster)

Won-joon Son and Seungwu Han

Level quantization of free carriers at n-type SrTiO3-LaAlO3

The 11th Asian Workshop on First principles electronic structure calculations, Kaohsiung, Taiwan Nov. 3 ~ Nov. 5 (Poster)

Sang Ho Jeon, Won-joon Son, Bae Ho Park and Seungwu Han

Multiscale simulation of electromigration of oxygen vacancy in metal oxide

The 11th Asian Workshop on First principles electronic structure calculations, Kaohsiung, Taiwan Nov. 3 ~ Nov. 5 (Poster)

Bora Lee, Choong-Ki Lee and Seungwu Han

Dielectric responce at metal-oxide interfaces

The 11th Asian Workshop on First principles electronic structure calculations, Kaohsiung, Taiwan Nov. 3 ~ Nov. 5 (Poster)

Eunae Cho, Jino Im, Jisoon Ihm and Seungwu Han

Molecular dynamics study on the structure of amorphous GST225

The Korean institute of Metals and Materials, Song-Do Korea Oct. 23 ~ Oct. 24 (Invited)

Eunae Cho,Yong Sung Kim and Seungwu Han

Influence of oxygen vacancy on band offsets at metal-oxide interfaces

The 11th Asian Workshop on First principles electronic structure calculations, Kaohsiung, Taiwan Nov. 3 ~ Nov. 5 (Invited)

Eunae Cho and Seungwu Han

Band alignments at non-reactive metal-oxide interfaces

The 11th Asian Workshop on First principles electronic structure calculations, Kaohsiung, Taiwan Nov. 3 ~ Nov. 5 (Poster)

Eunae Cho, Yong-Sung Kim, Choong-Ki Lee, Bora Lee, Sang Ho Jeon, Bae Ho Park and Seungwu Han

Segregation of oxygen vacancy at metal-HfO2 interfaces

The 4th KIAS electronic structure calculation workshop, Seoul Jun. 26 ~ Jun. 27 (Poster)
awarded as an excellent presentation

Eunae Cho,Yong Sung Kim and Seungwu Han

Oxygen vacancy at metal HfO2 interfaces; an ab-initio study

The 5th International Symposium on Advanced Gate Stack, Austin, USA Sep. 28 ~ Sep. 30 (Oral)

Choong-Ki Lee, Eunae Cho, Hyo-Sug Lee and Seungwu Han

First-principles study on doping and phase stability of HfO2

The 4th KIAS electronic structure calculation workshop, Seoul Jun. 26 ~ Jun. 27 (Poster)

Sang Ho Jeon, Bae Ho Park and Seungwu Han

Electromigration of oxygen vacancy in metal-oxides: First-principles study

Korean Physical Society, Spring Meeting, Dae-Jeon Apr. 17 ~ Apr. 18 (Oral)

Bora Lee and Seungwu Han

First-principles Calculation of Capacitance Including Interfacial Effects

Korean Physical Society, Spring Meeting, Dae-Jeon Apr. 17 ~ Apr. 18 (Oral)

Eunae Cho, Choong-Ki Lee, Yong Sung Kim and Seungwu Han

First-principles study of oxygen vacancy segregations at metal-HfO2 interfaces

Korean Physical Society, Spring Meeting, Dae-Jeon Apr. 17 ~ Apr. 18 (Oral)

Choong-Ki Lee, Eunae Cho, Hyo-Sug Lee and Seungwu Han

Microscopic Mechanism of Phase Control of HfO2 Through Doping

2008 Materials Research Society spring meeting, San Fancisco, CA (USA) Mar. 24 ~ Mar. 28 (Poster)

Eunae Cho, Choong-Ki Lee, Sang Ho Jeon, Bae Ho Park and Seungwu Han

First-principles Study on Oxygen Vacancy at HfO2-metal Interfaces

2008 Materials Research Society spring meeting, San Fancisco, CA (USA) Mar. 24 ~ Mar. 28 (Poster)

Bora Lee, Eunae Cho, Choong-Ki Lee, Sang Ho Jeon, Bae Ho Park and Seungwu Han

Local dielectric constant in metal-oxide and oxide-oxide interfaces: an ab-initio approach to address interfacial effects

2008 American Physical Society march meeting, New Orleans (USA) Mar. 10 ~ Mar. 14 (Oral)

Choong-Ki Lee, Eunae Cho, Hyosug Lee and Seungwu Han

Microscopic Mechanism of Phase Control of HfO2 through Doping

The 15th Korean Conference on Semiconductors, Pyungchang Feb. 20 ~ Feb. 22 (Oral)

Bora Lee, Eunae Cho, Choong-Ki Lee, Sang Ho Jeon, Bae Ho Park and Seungwu Han

First-principles study on local dielectric constants in metal-oxide and oxide-oxide interfaces

The 15th Korean Conference on Semiconductors, Pyungchang Feb. 20 ~ Feb. 22 (Poster)

2007

Sang Ho Jeon, Bae Ho Park and Seungwu Han

First-principles study of resistance-switching phenomenon in oxide material

The 14th Interantional Workshop on Oxide Electronics, Jeju Oct.7 ~ Oct.10 (Poster)

Bora Lee, Choong-Ki Lee and Seungwu Han

Dielectric response at the metal-oxide interface: a first-principles investigation

The 14th Interantional Workshop on Oxide Electronics, Jeju Oct.7 ~ Oct.10 (Poster)

Hyo-Shin Ahn, Seungwu Han and Jaejun Yu

First-principles study on electronic structures and magnetic properties of ultrathin SrRuO3

The 14th Interantional Workshop on Oxide Electronics, Jeju Oct.7 ~ Oct.10 (Poster)

Choong-Ki Lee, Miran Jhi, Hyo-Sug Lee and Seungwu Han

Control of phase stability in HfO2 through doping

The 14th Interantional Workshop on Oxide Electronics, Jeju Oct.7 ~ Oct.10 (Poster)

Eunae Cho, Bora Lee and Seungwu Han

Fermi level pinning and dielectric response at the metal oxide interface

The 4th Conference on the Asian Consortium on Computational Materials Science, Seoul Sep.12 ~ Sep.16 (Oral)

Tae-Eun Kim, Won-joon Son, Hyo-Shin Ahn, Seokmin Shin and Seungwu Han

Electronic structures and phase stability of tantalum mononitride: an ab initio study

The 4th Conference on the Asian Consortium on Computational Materials Science, Seoul Sep.12 ~ Sep.16 (Poster)

Sang Ho Jeon, Bae Ho Park and Seungwu Han

First-principles study of resistive switching phenomenon in SrTiO3 and NiO

The 4th Conference on the Asian Consortium on Computational Materials Science, Seoul Sep.12 ~ Sep.16 (Poster)

Eunae Cho and Seungwu Han

Schottky barrier height and charge transfer at meta/oxide interfaces: an ab initio study

The 4th Conference on the Asian Consortium on Computational Materials Science, Seoul Sep.12 ~ Sep.16 (Poster)

Choong-Ki Lee, Miran Jhi, Hyo-Sug Lee and Seungwu Han

First-principles study of phase stability of HfO2 with doping

The 4th Conference on the Asian Consortium on Computational Materials Science, Seoul Sep.12 ~ Sep.16 (Poster)

Bora Lee and Seungwu Han

Dielectric responses of ultrathin oxide film and metal/oxide interface

The 4th Conference on the Asian Consortium on Computational Materials Science, Seoul Sep.12 ~ Sep.16 (Poster)

Hyo-Shin Ahn, Eunae Cho, Tae-Eun Kim, Seungwu Han, Youngmi Cho and Changwook Kim

Secondary electron emission and sputtering characteristics of MgO surfaces

The 4th Conference on the Asian Consortium on Computational Materials Science, Seoul Sep.12 ~ Sep.16 (Poster)

Hyo-Shin Ahn and Seungwu Han

Defects and Impurities in Transition Metal Oxides

The 9th High Performance Computing International Conference and Exhibition, HPC asia 2007, Seoul Sep.9 ~ Sep.12 (Oral)

S. H. Jeon, B. H. Park, B. Lee, E. Cho, T. E. Kim and S. Han

First-Principles Modeling of Resistance Switching Mechanism in Oxide Material

International Conference on Materials for Advanced Technology, Singapore Jul.1 ~ Jul.6 (Poster)

B. Lee, C. K. Lee, E. Cho, T. E. Kim and Seungwu Han

Finite Field Method to Calculate Dielectric Response of Metal-Oxide Interface

International Conference on Materials for Advanced Technology, Singapore Jul.1 ~ Jul.6 (Oral)

H. S. Ahn, E. Cho, T. E. Kim, S. Han, Y. Cho and C. Kim

Secondary Electron Emission and Sputtering Characteristics of MgO Surfaces

International Conference on Materials for Advanced Technology, Singapore Jul.1 ~ Jul.6 (Oral)

Seungwu Han

Microscopic mechanism of resistance-switching-memory device based on metal oxides

Asia-Pacific Workshop on Fundamentals and Applications of Advanced Semiconductor Devices, Gyeongju (Korea) Jun.25 Jun.27 (Invited)

Do Duc Cuong, Seungwu Han and Jaichan Lee

Oxygen vacancy in SrTiO3 : First principles study

The 3rd KIAS Eelctronic Structure Calculation Workshop, Seoul Jun. 19 (Poster)

Tae-Eun Kim and Seungwu Han

Phase stability and electronic structures of tantalum mononitride

The 3rd KIAS Eelctronic Structure Calculation Workshop, Seoul Jun. 19 (Poster)

Hyo-Shin Ahn and Seungwu Han

Paring of cation vacancies and gap state creation in TiO2 and HfO2

The 3rd KIAS Eelctronic Structure Calculation Workshop, Seoul Jun. 19 (Poster)

Sang Ho Jeon, Bae Ho Park, Taeun Kim and Seungwu Han

Local relaxation and charge states of oxygen vacacny in SrTiO3

The 3rd KIAS Eelctronic Structure Calculation Workshop, Seoul Jun. 19 (Poster)

2006

Sohee Park, Seungwu Han, Hosub Jin, Jaejun Yu and Sunae Seo

Interaction and ordering between point defects in NiO

Korean Physical Society, Fall Meeting, Daegu Oct.19 ~ Oct.20 (Oral)

So Hee Park, Seungwu Han, Byeongdeok Yu and Jae Sung Kim

Ab initio study of ultrathin NiO films on Ag(001)

Korean Physical Society, Spring Meeting, Pyungchang Apr.20 ~ Apr. 21 (Poster)

C.K. Lee, Bora Lee, S.H. Park, S.H. Jeon, Bae Ho Park, Jaejun Yu, Sunae Seo, Hyo Sug Lee and Seungwu Han

Application of first-principles methods to nonvolatile memory technology

The 9th Asian Workshop on First-Principle Electronic Structure Calculations , Seoul Oct.9 ~ Oct.11 (Invited)

Seungwu Han

First-principles modeling of resistance switching

The Korean Institute of metals and materials, Fall Meeting, Che-ju Oct.26 ~ Oct.27 (Invited)

Seungwu Han

First-principles and molecular dynamics methods for studying materials properties

The 3rd Workshop on the Nuclear Material Thermophysical Property, Haenam Sep.14 ~ Sep.15 (Invited)

Sang Ho Jeon, Bae Ho Park, Jaichan Lee, Bora Lee and Seungwu Han

First principe modeling of Resistance switching in peroveskite oxide material

International Symposium on Integrated Ferroelectrics 2006, Honolulu, Hawaii, USA Apr.24 ~Apr.27 (Poster)

Bora Lee and Seungwu Han

Dielectric constant of ultrathin oxide material

Conference on computational physcis, Kyungju Aug.29 ~ Sep.1 (Poster)

Bora Lee and Seungwu Han

Dielectric response at the metal-oxide interface

83th Korea Physical Society, Fall Meeting, Dae-Gu Oct.19 ~ Oct.20 (Oral)

Bora Lee and Seungwu Han

Dielectric constant of ultrathin oxide material

82th Korea Physical Society, Spring Meeting, Pyungchang Apr.20 ~ Apr. 21 (Poster)

Sang Ho Jeon, Bae Ho Park, So Hee Park, Bora Lee, Jaichan Lee and Seungwu Han

Electronic structure and defect interaction in Cr-doped SrTiO3 and Nb-doped SrTiO3

Korean Physical Society, Spring Meeting, Pyung-Chang Apr.20 ~ Apr. 21 (Poster)

Sang Ho Jeon, Bae Ho Park, Jaichan Lee, Bora Lee and Seungwu Han

First principe modeling of Resistance switching in peroveskite oxide material

Korean Physical Society, Fall Meeting, Dae-Gu Oct.19 ~ Oct.20 (Oral)

H. -S. Ahn, Eunae Cho, Tae-Eun Kim and Seungwu Han,

Secondary Electron Emission and Sputtering Characteristics of MgO Surfaces

Korean Institute of Metals and Materials, Che-ju Oct.26 ~ Oct.27 (Oral)

Eunae Cho, Taeun Kim, Youngmi Cho, Changwook Kim and Seungwu Han

Electronic structures of MgO surfaces and nanocrystals

Korean Physical Society, Spring Meeting, Pyung-Chang Apr.20 ~ Apr. 21 (Poster)
awarded as an excellent presentation

Eunae Cho, Taeun Kim, Youngmi Cho, Changwook Kim and Seungwu Han

Electronic structures of MgO surfaces and nanocrystals

Korean Physical Society, Fall Meeting, Dae-Gu Oct.19 ~ Oct.20 (Oral)

Hyo-Shin Ahn, Eunae Cho, Tae-Eun Kim, Youngmi Cho, Changwook Kim and Seungwu Han

Secondary Electron Emission and Sputtering Characteristics of MgO Surfaces

Korean Physical Society, Fall Meeting, Dae-Gu Oct.19 ~ Oct.20 (Oral)

Eunae Cho, Hyo-Shin Ahn, Tae-Eun Kim and Seungwu Han

Secondary Electron Emission and Sputtering Characteristics of MgO Surfaces

The 9th Asian Workshop on First-Principle Electronic Structure Calculations , Seoul Oct.9 ~ Oct.11 (Poster)

Youngmi Cho, Changwook Kim, Heesung Moon, So Hee Park and Seungwu Han

Effects of metal coating on the field emission properties of carbon nanotubes

Materials Research Society, Spring Meeting, San Francisco, CA, USA Apr.17 ~ Apr. 21 (Poster)

Sang Ho Jeon, Bora Lee, Baeho Park and Seungwu Han

Oxygen-vacancy mediated resistance switching of perovskite oxide material; first-principles study

Materials Research Society, Spring Meeting, San Francisco, CA, USA Apr.17 ~ Apr. 21 (Oral)

So Hee Park and Seungwu Han

Electronic structure of point defects in NiO: possible mechanism of NiO resistive switching

15th Symposium on Dielectric Properties of Materials, Muju Feb.12 ~ Feb.14 (Poster)
awarded as an excellent presentation

Sang Ho Jeon, Bae Ho Park, Jaichan Lee, Bora Lee and Seungwu Han

First-principles modeling of resistance switching in perovskite oxide material

15th Symposium on Dielectric Properties of Materials, Muju Feb.12 ~ Feb.14 (Invited)

2005

So Hee Park, Hosub Jin, Seungwu Han and Jaejun Yu

Electronic structure of micro structural defects in NiO

The 4th International Conference on Advanced Materials and Devices, Jeju (Korea) Dec.5 ~ Dec.7 (Poster)

Hosub Jin, So Hee Park, Seungwu Han and Jaejun Yu

Vacancyinduced electronic structure of Ni1-xO1-y

The 4th International Conference on Advanced Materials and Devices, Jeju (Korea) Dec.5 ~ Dec.7 (Poster)

Sang Ho Jeon, Bora Lee, Baeho Park and Seungwu Han

Interface-driven resistance switching of perovskite oxide materials: first-principles study

The 4th International Conference on Advanced Materials and Devices, Jeju (Korea) Dec.5 ~ Dec.7 (Poster)

Hosub Jin, So Hee Park, Seungwu Han and Jaejun Yu

Vacancy-induced electronic structure of Ni1-xO1-y

The 4th International Conference on Advanced Materials and Devices, Jeju (Korea) Dec.5 ~ Dec.7 (Poster)

Hosub Jin, So Hee Park, Seungwu Han and Jaejun Yu

Electronic structure of microstructural defects in NiO

The 4th International Conference on Advanced Materials and Devices, Jeju (Korea) Dec.5 ~ Dec.7 (Oral)

Eunae Cho, Tae-Eun Kim, Noejung Park and Seungwu Han

Side-wall interaction of carbon nanotubes

The 2nd Korea-Japan Symposium on Carbon Nanotubes, Matsushima, Miyagi, Japan Nov.27 ~ Nov.30 (Invited)

Eunae Cho and Seungwu Han

Side-wall functionalization of carbon nanotubes with dichlorocarbene

The 8th Asian Workshop on First-principles Electronic Structure Calculations, Fudan University, Shanghai, China Oct.31 ~ Nov.2 (Poster)

Do Duc Cuong, Hyo-Shin Ahn, Seungwu Han and Jaichan Lee

First-principles study on oxygen divacancies and cluster in SrTiO3 : LDA+U method

The 8th Asian Workshop on First-principles Electronic Structure Calculations, Fudan University, Shanghai, China Oct.31 ~ Nov.2 (Poster)

Hyo-Shin Ahn, Do Duc Cuong, Jaichan Lee and Seungwu Han

Structural and electronic properties of LaTiO3 and SrTiO3 studied with LDA+U formalism

The 8th Asian Workshop on First-principles Electronic Structure Calculations, Fudan University, Shanghai, China Oct.31 ~ Nov.2 (Poster)

Sang Ho Jeon, Bora Lee, Baeho Park and Seungwu Han

Interface-driven resistance switching of perovskite oxide materials; first-principles study

The 8th Asian Workshop on First-principles Electronic Structure Calculations, Fudan University, Shanghai, China Oct.31 ~ Nov.2 (Poster)

Hosub Jin, So Hee Park, Seungwu Han and Jaejun Yu

Vacancy-induced electronic structure of Ni1-xO1-y

The 8th Asian Workshop on First-principles Electronic Structure Calculations, Fudan University, Shanghai, China Oct.31 ~ Nov.2 (Poster)

Sang Ho Jeon, Bora Lee, Baeho Park and Seungwu Han

Interface-driven resistance switching of perovskite oxide materials; first-principles study

Korean Physical Society, Fall Meeting, Chonbuk University, Seoul Oct.20 ~ Oct.22 (Poster)
awarded as an excellent presentation

So Hee Park and Seungwu Han

Electronic structure of point defects in NiO: possible mechanism of NiO resistive swtiching

Korean Physical Society, Fall Meeting, Chonbuk University, Seoul Oct.20 ~ Oct.22 (Poster)

Eunae Cho, Dong-Hyun Jeong and Seungwu Han

First-principles study of Li-ion deintercalation from surfaces of LiCoO2

Korean Physical Society, Fall Meeting, Chonbuk University, Seoul,awarded as an excellent presentation Oct.20 ~ Oct.22 (Poster)

Do Duc Cuong, Kyeong Mi Choi, Hyo-Shin Ahn, Bora Lee, Seungwu Han and Jaichan Lee

First-principles study on oxygen divacancies and cluster in SrTiO3

Korean Physical Society, Fall Meeting, Chonbuk University, Seoul Oct.20 ~ Oct.22 (Oral)

Hyo-Shin Ahn, Do Duc Cuong, Jaichan Lee and Seungwu Han

Structural and electronic properties of LaTiO3 studied with LDA+U formalism

Korean Physical Society, Fall Meeting, Chonbuk University, Seoul Oct.20 ~ Oct.22 (Oral)

Eunae Cho, Changwook Kim and Seungwu Han

Sidewall functionalization of carbon nanotubes with dichlorocarbene

Korean Physical Society, Spring Meeting, Ewha Womans University, Seoul (Korea) Apr. 22 ~ Apr. 23 (Poster)
awarded as an excellent presentation