| Prof. Hyoung Joon Choi |
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SEMINARS AND CONFERENCE PRESENTATIONS
[2012]
241. Chiral orbital-angular-momentum and side-surface Dirac cone of topological insulators.
Hyoung Joon Choi,
Invited talk,
CECAM Workshop: Topological Insulators and Non-Perturbative Spin-Orbit Coupling, CECAM Headquarter, EPFL, Lausanne, Switzerland, Jan. 9-11, 2012.
240. The role of d-orbitals in the spin-orbit induced splitting in nobel metal surfaces.
Hyungjun Lee, Hyoung Joon Choi,
Contributed talk of Hyungjun Lee,
CECAM Workshop: Topological Insulators and Non-Perturbative Spin-Orbit Coupling, CECAM Headquarter, EPFL, Lausanne, Switzerland, Jan. 9-11, 2012.
239. First-principles study of topological surface states on Sb (111) surface with iron impurities.
Jinhee Han, Hyungjun Lee, Hyoung Joon Choi,
Poster,
CECAM Workshop: Topological Insulators and Non-Perturbative Spin-Orbit Coupling, CECAM Headquarter, EPFL, Lausanne, Switzerland, Jan. 9-11, 2012.
[2011]
238. Density-functional studies of bulk and surface electronic structures of topological insulators.
Hyoung Joon Choi,
Seminar,
Institute of High Performance Computing, Singapore, Dec. 8, 2011.
237. Computational studies of materials: FeAs, graphene, and topological insulators.
Hyoung Joon Choi,
Colloquium,
Department of Physics, Pusan National University, Pusan, South Korea, Dec. 2, 2011.
236. The role of d-orbitals in Rashba-type spin-splitting in noble metal surfaces.
Hyungjun Lee, Hyoung Joon Choi,
Poster,
The 14th Asian Workshop on First-Principles Electronic Structure Calculations, University of Tokyo, Tokyo, Japan, Oct. 31-Nov. 2, 2011.
235. Orbital features in electronic and magnetic properties of iron pnictides and chalcogenides.
Hyoung Joon Choi,
Invited talk,
The 14th Asian Workshop on First-Principles Electronic Structure Calculations, University of Tokyo, Tokyo, Japan, Oct. 31-Nov. 2, 2011.
234. Density-functional studies of bulk and surface electronic structures of topological insulators.
Hyoung Joon Choi,
Invited talk,
The Korean Physical Society Fall Meeting, Pusan, South Korea, Oct. 19-21, 2011.
233. Epitaxial graphene on Ru (0001) surfaces: first-principles study.
Jung Suk Goh, Hyoung Joon Choi,
Poster,
The Korean Physical Society Fall Meeting, Pusan, South Korea, Oct. 19-21, 2011.
232. First-principles study of Rashba spin-orbit splitting in Pb monolayer on semiconductor surfaces.
Hyungjun Lee, Hyoung Joon Choi,
Contributed talk of Hyungjun Lee,
The Korean Physical Society Fall Meeting, Pusan, South Korea, Oct. 19-21, 2011.
231. First-principles study of bulk and atomic layers of TiS2 and ZrS2.
Min-Kook Kim, Hyoung Joon Choi,
Contributed talk of Min-Kook Kim,
The Korean Physical Society Fall Meeting, Pusan, South Korea, Oct. 19-21, 2011.
230. Effects of iron impurities on topological surface states of Sb (111) surface.
Jinhee Han, Hyoung Joon Choi,
Contributed talk of Jinhee Han,
The Korean Physical Society Fall Meeting, Pusan, South Korea, Oct. 19-21, 2011.
229. First-principles study on d-orbital characters of the magnetic moment in BaFe2As2.
Hyungju Oh, Hyoung Joon Choi,
Contributed talk of Hyungju Oh,
The Korean Physical Society Fall Meeting, Pusan, South Korea, Oct. 19-21, 2011.
228. First-principles study of orbital-selective magnetic properties in iron-based superconductors AFe2As2 (A= Ca, Sr, Ba).
Donghan Shin, Hyungju Oh, Hyoung Joon Choi,
Contributed talk of Donghan Shin,
The Korean Physical Society Fall Meeting, Pusan, South Korea, Oct. 19-21, 2011.
227. First-principles study of atomic and electronic structures of defects in the topological insulator Bi2Se3.
Joon-Suh Park, Jinhee Han, Hyungjun Lee, Hyoung Joon Choi,
Contributed talk of Joon-Suh Park,
The Korean Physical Society Fall Meeting, Pusan, South Korea, Oct. 19-21, 2011.
226. Self-energy corrected scattering-state approach for electrical and thermal transport properties in nanostructures.
Hyoung Joon Choi,
Invited talk,
APCTP Focus Program on Nonequilibrium Transport in a Mesoscopic System, Postech, South Korea, Sep.15-23, 2011.
225. Orbital features in electronic and magnetic properties of Fe-based superconductors.
Hyoung Joon Choi,
Invited talk,
4th Workshop for Emergent Materials Research, Postech, Pohang, South Korea, Jul. 11-13, 2011.
224. Review on density-functional studies of iron-based superconductors.
Hyoung Joon Choi,
Invited talk,
APCTP Summer Workshop on Frontiers in Electronic Quantum Matter, Yongpyong, South Korea, Jun. 28-29, 2011.
223. Density-functional studies of bulk and surface electronic structures of topological insulators.
Hyoung Joon Choi,
Seminar,
Department of Physics, Sookmyung Women's University, Seoul, South Korea, Jun. 27, 2011
222. First-principles calculations of topological insulators.
Hyoung Joon Choi,
Lecture,
The 23rd Workshop on Nanoscale and Mesoscopic Systems "Topological Insulators: The Essential Physics", KIAS, Seoul, South Korea, May 27-28, 2011
221. Orbital-selective magnetism in FeAs-based superconductors.
Hyungju Oh, Donghan Shin, Hyoung Joon Choi,
Invited talk of Hyoung Joon Choi,
KIAS Workshop on Frontiers in Condensed Matter Physics, KIAS, Seoul, South Korea, May 9-12, 2011
220. Low-velocity anisotropic Dirac fermions on the side surface of topological insulators.
Chang-Youn Moon, Jinhee Han, Hyungjun Lee, Hyoung Joon Choi,
Invited talk of Hyoung Joon Choi,
KIAS Workshop on Frontiers in Condensed Matter Physics, KIAS, Seoul, South Korea, May 9-12, 2011.
219. Domain wall effects on electronic transport in graphene nanoribbons.
Kyung Yeon Kim, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 13-15, 2011.
218. Anisotropic Dirac cone on the side surface of Bi2Se3.
Chang-Youn Moon, Jinhee Han, Hyungjun Lee, Hyoung Joon Choi,
Contributed talk of Chang-Youn Moon,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 13-15, 2011.
217. Effects of minimal perturbation on the low energy band structure in graphene: a tight-binding approach.
Joon-Suh Park, Hyoung Joon Choi,
Contributed talk of Joon-Suh Park,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 13-15, 2011.
216. First-principles study of electronic structures in TiS2 and TiO2.
Min-Kook Kim, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 13-15, 2011.
215. Effects of spin-orbit interaction on the Fermi-surface nesting in iron-based superconductors.
Hyungju Oh, Donghan Shin, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 13-15, 2011.
214. First-principles study of band-gap opening in graphene on ZrO2 (111) surfaces under pressure.
Jung Suk Goh, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 13-15, 2011.
213. First-principles study of orbital characters in electronic and magnetic properties of iron arsenides AFe2As2 (A=Ca, Eu, Sr, Ba).
Donghan Shin, Hyungju Oh, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 13-15, 2011.
212. Electronic structures of Bi2Se3 nanoribbons: a first-principles study.
Hyungjun Lee, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 13-15, 2011.
211. First-principles study of chiral orbital angular momentum in topological insulator.
Jinhee Han, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 13-15, 2011.
210. Effects of minimal perturbations on the energy-gap opening and the effective mass in graphene.
Joon-Suh Park, Hyoung Joon Choi,
Poster,
Asian Consortium for Computational Materials Science, 3rd Working Group Meeting, Jeju, South Korea, Mar. 31-Apr. 2, 2011.
209. Field-induced recovery of massless Dirac fermions in epitaxial graphene on SiC.
Hyungjun Lee, Seungchul Kim, Jisoon Ihm, Young-Woo Son, Hyoung Joon Choi,
Poster,
Asian Consortium for Computational Materials Science, 3rd Working Group Meeting, Jeju, South Korea, Mar. 31-Apr. 2, 2011.
208. Single-impurity scattering and carrier mobility in doped Ge/Si core-shell nanowires.
Hyungjun Lee, Hyoung Joon Choi
Poster,
Asian Consortium for Computational Materials Science, 3rd Working Group Meeting, Jeju, South Korea, Mar. 31-Apr. 2, 2011.
207. Self-energy corrected scattering-state approach for electrical and thermal transport properties in nanostructures.
Hyoung Joon Choi,
Invited talk,
Asian Consortium for Computational Materials Science, 3rd Working Group Meeting, Jeju, South Korea, Mar. 31-Apr. 2, 2011.
206. Electronic structure of the side surface of Bi2Se3.
Chang-Youn Moon, Jinhee Han, Hyungjun Lee, Hyoung Joon Choi,
Contributed talk of Chang-Youn Moon,
The American Physical Society March Meeting, Dallas, Texas, USA, Mar. 21-25, 2011.
205. First-principles study of orbital-selective magnetism in FeAs-based superconductors.
Hyungju Oh, Donghan Shin, Hyoung Joon Choi,
Contributed talk of Hyungju Oh,
The American Physical Society March Meeting, Dallas, Texas, USA, Mar. 21-25, 2011.
204. Electric field effects on electronic structures of epitaxial graphene on SiC.
Hyungjun Lee, Seungchul Kim, Jisoon Ihm, Young-Woo Son, Hyoung Joon Choi,
Contributed talk of Hyungjun Lee,
The American Physical Society March Meeting, Dallas, Texas, USA, Mar. 21-25, 2011.
203. Spatial characters of metallic surface states of topological insulators.
Jinhee Han, Hyungjun Lee, Hyoung Joon Choi,
Contributed talk of Jinhee Han,
The American Physical Society March Meeting, Dallas, Texas, USA, Mar. 21-25, 2011.
202. Efficient k·p method for first-principles calculation of Seebeck coefficient in quantum transport.
David A. Strubbe, Su Ying Quek, Hyoung Joon Choi, J. B. Neaton, Steven G. Louie,
Contributed talk of David A. Strubbe,
The American Physical Society March Meeting, Dallas, Texas, USA, Mar. 21-25, 2011.
201. First-principles studies of charge dynamics in single-molecule junctions at finite bias.
Pierre Darancet, Hyoung Joon Choi, Jonathan R. Widawsky, Scott Berkley, Latha Venkataraman, Jeffrey B. Neaton,
Contributed talk of Pierre Darancet,
The American Physical Society March Meeting, Dallas, Texas, USA, Mar. 21-25, 2011.
200. Orbital-selective magnetic moments and interactions in FeAs-based superconductors.
Hyungju Oh, Donghan Shin, Hyoung Joon Choi,
Invited talk of Hyoung Joon Choi,
2011 APCTP Winter Workshop on Frontiers in Electronic Quantum Matter, Postech, Pohang, South Korea, Feb. 16-19, 2011.
199. Spatial characters of metallic surface states of topological insulators.
Jinhee Han, Hyungjun Lee, Hyoung Joon Choi,
Poster,
CNRS-Ewha Winter School, Ewha University, Seoul, South Korea, Feb. 7-11, 2011.
198. First-principles calculations of electronic structures in topological insulators.
Hyoung Joon Choi,
Invited talk,
CNRS-Ewha Winter School, Ewha University, Seoul, South Korea, Feb. 7-11, 2011.
[2010]
197. First-principles study of surface electronic structures of topological insulators.
Jinhee Han, Chang-Youn Moon, Hyungjun Lee, Hyoung Joon Choi,
Invited Talk of Hyoung Joon Choi,
RIEC International Symposium, 9th Japan-Korea Symposium on Surface Nanostructures, Sendai, Japan, Nov. 15-16, 2010.
196. Electronic structures of graphene in contact with insulators.
Hyoung Joon Choi,
Invited Talk,
Dasan Conference on Graphene Science and Technology, Seogwipo, Jeju, South Korea, Nov. 10-12, 2010.
195. Magnetic properties of iron chalcogenides superconductors.
Chang-Youn Moon, Hyoung Joon Choi,
Poster,
The 13th Asian workshop on first-principles electronic structure calculations, Postech, Pohang, South Korea, Nov 1-3, 2010.
194. Effect of a magnetic domain wall on electronic transport properties in zigzag graphene nanoribbons.
Kyung Yeon Kim, Hyoung Joon Choi,
Poster,
The 13th Asian workshop on first-principles electronic structure calculations, Postech, Pohang, South Korea, Nov 1-3, 2010.
193. First-principles study of metallic surface states of topological insulators.
Jinhee Han, Hyoung Joon Choi,
Poster,
The 13th Asian workshop on first-principles electronic structure calculations, Postech, Pohang, South Korea, Nov 1-3, 2010.
192. Theoretic study of magnetic crossover and orbital-dependent effectiveness of Fermi-surface nesting in iron-based superconductors.
Hyungju Oh, Donghan Shin, Hyoung Joon Choi,
Poster,
The 13th Asian workshop on first-principles electronic structure calculations, Postech, Pohang, South Korea, Nov 1-3, 2010.
191. First-principles study of electronic structures in graphene on insulating surfaces.
Jung Suk Goh, Hyoung Joon Choi,
Poster,
The 13th Asian workshop on first-principles electronic structure calculations, Postech, Pohang, South Korea, Nov 1-3, 2010.
190. Density functional study of electronic and magnetic structures in FeSexTe1-x.
Jisoo Moon, Chang-Youn Moon, Hyoung Joon Choi,
Poster,
The 13th Asian workshop on first-principles electronic structure calculations, Postech, Pohang, South Korea, Nov 1-3, 2010.
189. Density functional study of atomic and electronic structures of iron-based layered superconductor LnFeAsO.
Donghan Shin, Hyungju Oh, Hyoung Joon Choi,
Poster,
The 13th Asian workshop on first-principles electronic structure calculations, Postech, Pohang, South Korea, Nov 1-3, 2010.
188. Effects of doping on electronic properties of Si/Ge nanowire superlattices.
Min-Kook Kim, Hyoung Joon Choi,
Poster,
The 13th Asian workshop on first-principles electronic structure calculations, Postech, Pohang, South Korea, Nov 1-3, 2010.
187. First-principles study of electric field effects on epitaxial graphene on 4H-SiC(0001).
Hyungjun Lee, Young-Woo Son, Hyoung Joon Choi,
Poster,
The 13th Asian workshop on first-principles electronic structure calculations, Postech, Pohang, South Korea, Nov 1-3, 2010.
186. Effects of inter-valley scattering and sub-lattice symmetry breaking on the low-energy band structure in graphene.
Joon-Suh Park, Hyoung Joon Choi,
Poster,
The 13th Asian workshop on first-principles electronic structure calculations, Postech, Pohang, South Korea, Nov 1-3, 2010.
185. Electronic structure studies of detwinned BaFe2As2 by photoemission.
Y. K. Kim, Hyungju Oh, Chul Kim, D. J. Song, W. S. Jung, B. Y. Kim, Hyoung Joon Choi, C. Kim, B. S. Lee, S. H. Kim, K. H. Kim, J. B. Hong, Y. S. Kwon, Y. Y. Koh, G. R. Han, W. S. Kyung, H. Y. Choi, Y. G. Boo,
Contributed talk of Y. K. Kim,
The Korean Physical Society Fall Meeting, Phoenix Park, South Korea, Oct. 20-22, 2010.
184. Electronic transport properties through magnetic domain wall junctions in zigzag graphene nanoribbons.
Kyung Yeon Kim, Hyoung Joon Choi,
Contributed talk of Kyung Yeon Kim,
The Korean Physical Society Fall Meeting, Phoenix Park, South Korea, Oct. 20-22, 2010.
183. First-principles study of surface electronic structures of topological insulators.
Jinhee Han, Hyoung Joon Choi,
Contributed talk of Jinhee Han,
The Korean Physical Society Fall Meeting, Phoenix Park, South Korea, Oct. 20-22, 2010.
182. First-principles study of magnetic crossover and orbital-dependent effectiveness of Fermi-surface nesting in iron-based superconductors.
Hyungju Oh, Donghan Shin, Hyoung Joon Choi,
Contributed talk of Hyungju Oh,
The Korean Physical Society Fall Meeting, Phoenix Park, South Korea, Oct. 20-22, 2010.
181. Atomic and electronic properties in graphene on insulating substrates.
Jung Suk Goh, Hyoung Joon Choi,
Contributed talk of Jung Suk Goh,
The Korean Physical Society Fall Meeting, Phoenix Park, South Korea, Oct. 20-22, 2010.
180. Theoretical study of magnetic ordering in FeSexTe1-x.
Jisoo Moon, Chang-Youn Moon, Hyoung Joon Choi,
Contributed talk of Jisoo Moon,
The Korean Physical Society Fall Meeting, Phoenix Park, South Korea, Oct. 20-22, 2010.
179. First-principles calculation of atomic and electronic structures of rare-earth iron oxypnictides.
Donghan Shin, Hyungju Oh, Hyoung Joon Choi,
Contributed talk of Donghan Shin,
The Korean Physical Society Fall Meeting, Phoenix Park, South Korea, Oct. 20-22, 2010.
178. Atomic and electronic properties of B and P doped Si/Ge nanowire superlattices: first-principles study.
Min-Kook Kim, Hyoung Joon Choi,
Contributed talk of Min-Kook Kim,
The Korean Physical Society Fall Meeting, Phoenix Park, South Korea, Oct. 20-22, 2010.
177. Field-induced recovery of massless Dirac fermions in epitaxial graphene on 4H-SiC(0001): a first-principles study.
Hyungjun Lee, Young-Woo Son, Hyoung Joon Choi,
Contributed talk of Hyungjun Lee,
The Korean Physical Society Fall Meeting, Phoenix Park, South Korea, Oct. 20-22, 2010.
176. Effects of inter-valley scattering and sub-lattice symmetry breaking on the energy gap and the effective mass in graphene.
Joon-Suh Park, Hyoung Joon Choi,
Contributed talk of Joon-Suh Park,
The Korean Physical Society Fall Meeting, Phoenix Park, South Korea, Oct. 20-22, 2010.
175. Fermi-surface nesting, magnetic ordering, and superconductivity in Fe-based superconductors.
Hyoung Joon Choi,
Invited talk,
The Korean Physical Society Fall Meeting, Phoenix Park, South Korea, Oct. 20-22, 2010.
174. The effect of B on chemical states and electronic structures of CoFeB in CoFeB/MgO/CoFeB magnetic tunnel junctions.
Yoonsung Han, Jinhee Han, Hyoung Joon Choi, Hyun-Jun Shin, Jongill Hong,
Invited talk of Jongill Hong,
The Korean Physical Society Fall Meeting, Phoenix Park, South Korea, Oct. 20-22, 2010.
173. Computational studies of materials and nanostructures.
Hyoung Joon Choi,
Invited talk,
CNRS-Ewha International Research Center Symposium, Ewha Womans University, Seoul, South Korea, Oct. 15, 2010.
172. First-principles simulation of single-molecule junctions, semiconductor nanowires, and graphene nanoribbons.
Hyoung Joon Choi,
Seminar,
School of Materials Science and Engineering, GIST, Gwangju, South Korea, Oct. 8, 2010.
171. First-principles calculations of electronic structures in graphene and topological insulators.
Hyoung Joon Choi,
Invited talk,
Á¦14ȸ "ÀüÀÚÁ¤º¸ ½Å¼ÒÀç ¹× ÀÀ¿ë±â¼ú " ½ÉÆ÷Áö¾ö: 21¼¼±â Frontier Science and Technology - Graphene and Topological Insulator, Kyung Hee University, Yongin, South Korea, Oct. 7, 2010.
170. Computational studies of materials and nanostructures.
Hyoung Joon Choi,
Colloquium,
Department of Physics, Sungkyunkwan University, Suwon, South Korea, Sep. 17, 2010.
169. First-principles study of electronic structures in graphene in contact with insulators.
Jung Suk Goh, Hyoung Joon Choi,
Poster,
30th International Conference on the Physics of Semiconductors, Seoul, South Korea, Jul. 25-30, 2010.
168. The effect of magnetic adatoms on transport properties in zigzag GNRs.
Kyung Yeon Kim, Hyoung Joon Choi,
Poster,
30th International Conference on the Physics of Semiconductors, Seoul, South Korea, Jul. 25-30, 2010.
167. Resonant scattering, current density loops and induced magnetic fields in carbon nanotubes with a Stone-Wales defect.
Minsung Kim, Youngkuk Kim, Jino Im, Choongki Lee, Jeongwoon Hwang, Juho Lee, Hyoung Joon Choi, Jisoon Ihm,
Contributed Talk of Minsung Kim,
30th International Conference on the Physics of Semiconductors, Seoul, South Korea, Jul. 25-30, 2010.
166. FeAs-based superconductors: a brief review.
Hyoung Joon Choi,
Tutorial,
2010 The Korean Superconductivity Society Meeting, Yongpyong, South Korea, Jul. 7-9, 2010.
165. First-principles study of surface electronic structures of topological insulator Bi2Se3.
Jinhee Han, Hyoung Joon Choi,
Poster,
2010 APCTP Mini-Workshop on Frontiers in Electronic Quantum Matter, Pyeongchang Alpensia Resort, South Korea, Jul. 5-6, 2010.
164. CPA and CDFT study of electronic structure in LaFeAsO.
Jisoo Moon, Hyungju Oh, Hyoung Joon Choi,
Poster,
2010 APCTP Mini-Workshop on Frontiers in Electronic Quantum Matter, Pyeongchang Alpensia Resort, South Korea, Jul. 5-6, 2010.
163. Density-functional calculations of rare-earth (RE) dependent electronic structures in REFeAsO.
Hyungju Oh, Donghan Shim, Hyoung Joon Choi,
Poster,
2010 APCTP Mini-Workshop on Frontiers in Electronic Quantum Matter, Pyeongchang Alpensia Resort, South Korea, Jul. 5-6, 2010.
162. First-principles study of electronic and magnetic properties in rare-earth iron oxypnictides REFeAsO (RE=Ce, Pr, Nd, Sm, and Gd).
Hyungju Oh, Donghan Shim, Hyoung Joon Choi,
Invited Talk of Hyoung Joon Choi,
2010 APCTP Mini-Workshop on Frontiers in Electronic Quantum Matter, Pyeongchang Alpensia Resort, South Korea, Jul. 5-6, 2010.
161. First-principles calculations of atomic forces and stress tensors in the LSDA+U formalism.
Se Young Park, Hyoung Joon Choi,
Invited Talk of Hyoung Joon Choi,
The 6th KIAS electronic structure calculation workshop, KIAS, Seoul, South Korea, Jun. 21-22, 2010.
160. Variations of ferroelectric off-centering distortion and 3d-4p orbital mixing in La-doped BiFeO3 multiferroics.
Jung-Hoon Lee, Hyoung Joon Choi, Dongeun Lee, Min Gyu Kim, Chung W. Bark, Sangwoo Ryu, Min-Ae Oak, Hyun Myung Jang,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 21-23, 2010.
159. Magnetic properties of iron-based superconductors: first-principles studies.
Chang-Youn Moon, Se Young Park, Hyoung Joon Choi,
Invited Talk of Chang-Youn Moon,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 21-23, 2010.
158. First-principles study of metal silicide/semiconductor nanowire junctions.
Hyungjun Lee, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 21-23, 2010.
157. Boron and oxygen impurities in ferromagnetic Fe and Co and their effects on tunnel magnetoresistance.
Jinhee Han, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 21-23, 2010.
156. First-principles study of rare-earth iron oxypnictides REFeAsO (RE=Ce, Pr, Nd, Sm, Gd, Tb, and Dy).
Hyungju Oh, Donghan Shin, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 21-23, 2010.
155. First-principles study of electronic and magnetic properties of zigzag graphene nanoribbons with magnetic adatoms.
Kyung Yeon Kim, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 21-23, 2010.
154. Orbital-dependent quantum confinement in Si/Ge nanowire superlattices.
Min-Kook Kim, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 21-23, 2010.
153. Theoretical study of electronic structures in LaFeAsO: dependence on magnetic moments and ordering.
Jisoo Moon, Hyungju Oh, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 21-23, 2010.
152. First-principles study of pressure-dependent band-gap opening in graphene sandwiched between SrCl2 (111) surfaces.
Jung Suk Goh, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 21-23, 2010.
151. Density-functional study of electronic structures in graphene in contact with insulators.
Jung Suk Goh, Hyoung Joon Choi,
Invited Talk of Hyoung Joon Choi,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 21-23, 2010.
150. Chalcogen-height dependent magnetic interactions in iron chalcogenide superconductors.
Chang-Youn Moon, Hyoung Joon Choi,
Contributed Talk of Chang-Youn Moon,
American Physical Society 2010 March Meeting, Portland, Oregon, USA, Mar. 15-19, 2010.
149. Fermi surfaces and quantum oscillations in underdoped high-Tc superconductors YBa2Cu3O6.5 and YBa2Cu4O8.
Hyungju Oh, Hyoung Joon Choi, Steven G. Louie, Marvin L. Cohen
Contributed Talk of Hyungju Oh
American Physical Society 2010 March Meeting, Portland, Oregon, USA, Mar. 15-19, 2010.
148. Density functional study of magnetic ordering and magnetic interactions in FeSexTe1-x superconductors.
Hyoung Joon Choi
Invited Talk
10th Japan-Korea-Taiwan symposium on strongly correlated electron systems, Japan, Mar. 11-13, 2010.
147. LSDA+U study of Fermi surfaces and quantum oscillations in underdoped high-Tc superconductors YBa2Cu3O6.5 and YBa2Cu4O8.
Hyungju Oh, Hyoung Joon Choi, Steven G. Louie, Marvin L.Cohen,
Invited Talk of Hyoung Joon Choi,
2010 APCTP-A3 winter school and workshop on frontiers in electronic quantum matter, Phoenix Park, South Korea, Feb. 1-5, 2010.
146. Chalcogen-height dependent magnetic ordering in FeSexTe1-x superconductors.
Chang-Youn Moon, Hyoung Joon Choi,
Poster,
2010 APCTP-A3 winter school and workshop on frontiers in electronic quantum matter, Phoenix Park, South Korea, Feb. 1-5, 2010.
145. Theoretical study of electronic structures in LaFeAsO using the coherent potential approximation.
Jisoo Moon, Hyungju Oh, Hyoung Joon Choi,
Poster,
2010 APCTP-A3 winter school and workshop on frontiers in electronic quantum matter, Phoenix Park, South Korea, Feb. 1-5, 2010.
144. Density functional studies of Fermi surface topology and quantum oscillations in underdoped high-Tc cuprates.
Hyoung Joon Choi,
Seminar,
APCTP, Seoul, South Korea, Jan. 22, 2010.
143. Density functional calculations of electronic and magnetic properties of iron pnictides and chalcogenides.
Chang-Youn Moon, Se Young Park, Hyungju Oh, Jisoo Moon, Hyoung Joon Choi,
Invited Talk of Hyoung Joon Choi,
International workshop on computational physics and materials science, Fudan University, Shanghai, China, Jan. 7-9, 2010.
[2009]
142. Electronic and magnetic properties of iron pnictides and chalcogenides from first-principles calculations.
Chang-Youn Moon, Se Young Park, Hyungju Oh, Jisoo Moon, Hyoung Joon Choi,
Invited Talk of Hyoung Joon Choi,
Frontiers in condensed matter physics, KIAS, Seoul, South Korea, Dec. 16-19, 2009.
141. First-principles study of electronic and magnetic properties of iron pnictides and chalcogenides.
Chang-Youn Moon, Se Young Park, Hyungju Oh, Jisoo Moon, Hyoung Joon Choi,
Invited Talk of Hyoung Joon Choi,
The 12th Asian workshop on first-principles electronic structure calculations, Institute of Physica, CAS, Beijing, China, Oct. 26-28, 2009.
140. First-principles study of Fermi surface topology in underdoped High-Tc superconductors.
Hyungju Oh, Hyoung Joon Choi,
Contributed Talk of Hyungju Oh,
The Korean Physical Society Fall Meeting, Changwon, South Korea, Oct. 21-23, 2009.
139. First-principles study of graphene on insulating substrates.
Jung Suk Goh, Hyoung Joon Choi,
Poster,
The Korean Physical Society Fall Meeting, Changwon, South Korea, Oct. 21-23, 2009.
138. Spin-dependent transport on graphene nanoribbon with magnetic impurities.
Kyung Yeon Kim, Hyoung Joon Choi,
Poster,
The Korean Physical Society Fall Meeting, Changwon, South Korea, Oct. 21-23, 2009.
137. First-principles study on the magnetic properties of iron chalcogenide superconductors.
Chang-Youn Moon, Hyoung Joon Choi
Contributed Talk of Chang-Youn Moon
The Korean Physical Society Fall Meeting, Changwon, South Korea, Oct. 21-23, 2009.
136. Theoretical study of electronic structures in iron pnictide superconductors using the coherent potential approximation.
Jisoo Moon, Hyoung Joon Choi
Contributed Talk of Jisoo Moon
The Korean Physical Society Fall Meeting, Changwon, South Korea, Oct. 21-23, 2009.
135. Effects of boron impurities on transport properties of Fe/MgO/Fe(100) tunnel junctions.
Jinhee Han, Hyoung Joon Choi
Contributed Talk of Jinhee Han
The Korean Physical Society Fall Meeting, Changwon, South Korea, Oct. 21-23, 2009.
134. First-principles study of doped and undoped Si/Ge nanowire superlattices.
Min-Kook Kim, Hyoung Joon Choi,
Contributed Talk of Min-Kook Kim,
The Korean Physical Society Fall Meeting, Changwon, South Korea, Oct. 21-23, 2009.
133. First-principles mobility calculations in doped Si/Ge core-shell nanowires.
Hyungjun Lee, Hyoung Joon Choi,
Contributed Talk of Hyungjun Lee,
The Korean Physical Society Fall Meeting, Changwon, South Korea, Oct. 21-23, 2009.
132. Electronic structures and transport properties of Si/Ge nanowire-based nanostructures: a first-principles study.
Hyungjun Lee, Min-Kook Kim, Hyoung Joon Choi,
Invited Talk of Hyoung Joon Choi,
Japan-Korea Asian Core Program General Meeting: Interdisciplinary Science of Nanomaterials, Sendai, Japan, Sep. 25, 2009.
131. Beyond LDA in electronic-transport simulations of single-molecule junctions.
Hyoung Joon Choi,
Invited Talk of Hyoung Joon Choi,
The 5th conference of the asian consortium on computational materials science (ACCMS-5), Hanoi, Vietnam, Sep. 7-11, 2009.
130. Beyond LDA in nanometer-scale electronic transport simulations.
Hyoung Joon Choi,
Invited Talk,
JSPS-KOSEF Asian core program, 7th Japan-Korea symposium on surface nanostructures, Sendai, Japan, Jul. 14-16, 2009.
129. Theoretical study of magnetoresistance and Hall coefficient in iron arsenides AFe2As2 (A=Ca,Sr, Ba).
Hyungju Oh, Se Young Park, Chang-Youn Moon, Hyoung Joon Choi,
Poster,
8th Asia-Pacific Workshop on Novel Quantum Materials/2nd Workshop for A3 Foresight Program, Yonsei University, Seoul, South Korea, Jul. 5-7, 2009.
128. First-principles study of optical absorption spectra of SrFe2As2 and BaFe2As2.
Se Young Park, Chang-Youn Moon, Hyoung Joon Choi,
Poster,
8th Asia-Pacific Workshop on Novel Quantum Materials/2nd Workshop for A3 Foresight Program, Yonsei University, Seoul, South Korea, Jul. 5-7, 2009.
127. Local moment interaction vs. Fermi surface nesting in the magnetic ordering in iron pnictides.
Chang-Youn Moon, Se Young Park, Hyoung Joon Choi,
Poster,
8th Asia-Pacific Workshop on Novel Quantum Materials/2nd Workshop for A3 Foresight Program, Yonsei University, Seoul, South Korea, Jul. 5-7, 2009.
126. Comparative study of local-moment interaction and Fermi-surface nesting in various iron pnictides.
Chang-Youn Moon, Se Young Park, Hyoung Joon Choi,
Invited Talk of Hyoung Joon Choi,
The 5th KIAS electronic structure calculation workshop, KIAS, Seoul, South Korea, Jun. 18-19, 2009.
125. Ab initio study of quantum conductance in doped Si/Ge core-shell nanowires.
Hyung Jun Lee, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 23-24, 2009.
124. Semiclassical theory of magnetoresistance and Hall coefficient in iron arsenides AFe2As2 (A=Ca, Sr, Ba).
Hyungju Oh, Se Young Park, Chang-Youn Moon, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 23-24, 2009.
123. Optical absorption properties of iron arsenides AFe2As2 (A=Ca, Sr, Ba): a first-principles study.
Se Young Park, Chang-Youn Moon, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 23-24, 2009.
122. Negative tunneling magnetoresistance in ferromagnet/half-metal junctions.
Kyung Yeon Kim, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 23-24, 2009.
121. First-principles study of boron impurities in MgO.
Jinhee Han, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 23-24, 2009.
120. Confinement effect in Si/Ge nanowire superlattices: first-principles study.
Min-Kook Kim, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 23-24, 2009.
119. Comparative study on the physical properties of various iron pnictides from density-functional calculations.
Chang-Youn Moon, Se Young Park, Hyoung Joon Choi,
Contributed Talk of Chang-Youn Moon,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, Apr. 23-24, 2009.
118. First-principles study of atomic, electronic, and magnetic properties of iron pnictides.
Hyoung Joon Choi,
Invited Talk,
Frontiers in Condensed Matter Physics and Nanoscience: A symposium in honor of the 60th birthday of Steven G. Louie, University of California, Berkeley, CA, USA, Mar. 21-22, 2009.
117. Reversible, mechanically-activated switching in pyridine single molecule junctions.
Maria Kamenetska, Su Ying Quek, Michael L. Steigerwald, Hyoung Joon Choi, Steven G. Louie, Mark S. Hybertsen, J. B. Neaton, Latha Venkataraman,
The American Physical Society March Meeting, Pittsburgh, PA, USA, 2009.
116. First-principles studies of single-molecule junctions: conductance and mechanically-controlled switching.
Su Ying Quek, Hyoung Joon Choi, Steven G. Louie, Mark S. Hybertsen, Latha Venkataraman, J. B. Neaton,
The American Physical Society March Meeting, Pittsburgh, PA, USA, 2009.
115. Spin-dependent electronic transport in Fe/MnAs/Fe structures.
Kyung-Yeon Kim, Hyoung Joon Choi,
Contributed talk of Kyung-Yeon Kim,
The American Physical Society March Meeting, Pittsburgh, PA, USA, 2009.
114. First-principles study of local p(2x2) structures on Si(100) surface.
Min-Kook Kim, Hyoung Joon Choi,
Contributed talk of Min-Kook Kim,
The American Physical Society March Meeting, Pittsburgh, PA, USA, 2009.
113. Ab initio study of electric field effects on electronic structures of epitaxial graphene on silicon carbide.
Hyungjun Lee, Young-Woo Son, Hyoung Joon Choi,
Poster,
APCTP 2009 Winter Workshop on Frontiers in Electronic Quantum Matter: Pnictide and Cuprate High Temperature Superconductors through Graphene, Hilton Namhae Resort, South Korea, Feb. 8-12, 2009.
112. First-principles study of atomic and electronic properties of graphene on metal (Ru, Pt) slabs.
Jung Suk Goh, Hyoung Joon Choi,
Poster,
APCTP 2009 Winter Workshop on Frontiers in Electronic Quantum Matter: Pnictide and Cuprate High Temperature Superconductors through Graphene, Hilton Namhae Resort, South Korea, Feb. 8-12, 2009.
111. Comparative study on the physical properties of various iron pnictides from first-principles calculations.
Chang-Youn Moon, Se Young Park, Hyoung Joon Choi,
Poster,
APCTP 2009 Winter Workshop on Frontiers in Electronic Quantum Matter: Pnictide and Cuprate High Temperature Superconductors through Graphene, Hilton Namhae Resort, South Korea, Feb. 8-12, 2009
110. First-principles calculation of atomic force and stress tensor in the LSDA+U formalism.
Se Young Park, Hyoung Joon Choi,
Poster,
APCTP 2009 Winter Workshop on Frontiers in Electronic Quantum Matter: Pnictide and Cuprate High Temperature Superconductors through Graphene, Hilton Namhae Resort, South Korea, Feb. 8-12, 2009.
109. First-principles study of atomic, electronic, and magnetic properties of iron pnictides.
Chang-Youn Moon, Se Young Park, Hyoung Joon Choi,
Invited Talk of Hyoung Joon Choi,
APCTP 2009 Winter Workshop on Frontiers in Electronic Quantum Matter: Pnictide and Cuprate High Temperature Superconductors through Graphene, Hilton Namhae Resort, South Korea, Feb. 8-12, 2009.
[2008]
108. Electronic structures of graphene on SiC and graphene on metal surfaces.
Hyoung Joon Choi,
Invited Talk,
Inauguration Symposium, Quantum Metamaterials Research Center, Ewha University, Seoul, South Korea, Dec. 10, 2008.
107. First-principles study of electronic and superconducting properties of FeAs superconductors.
Hyoung Joon Choi,
Invited Talk,
A3 Foresight Program,Fudan University, Shanghai, China, Dec. 7-9, 2008.
106. Atomic, electronic, and magnetic properties of parent compounds of superconducting iron pnictides.
Chang-Youn Moon, Se Young Park, Hyoung Joon Choi,
Invited Talk of Chang-Youn Moon,
The 11th Asian Workshop on First-Principles Electronic Structure Calculations, The National Sun Yat-sen University, Kaohsiung, Taiwan, Nov. 3-5, 2008.
105. New superconductors: FeAs compound families.
Hyoung Joon Choi,
Colloquium,
Department of Physics, Inha University, Incheon, South Korea, Nov. 13, 2008.
104. First-principles study of boron impurities in MgO.
Jinhee Han, Hyoung Joon Choi,
Poster,
The Korean Physical Society Fall Meeting, Gwangju, South Korea, 2008.
103. First-principles study of atomic and electronic properties of graphene on metal (Ru, Pt) slabs.
Jung Suk Goh, Hyoung Joon Choi,
Poster,
The Korean Physical Society Fall Meeting, Gwangju, South Korea, 2008.
102. First-principles study on structural properties of iron-based superconducting compounds.
Se Young Park, Chang-Youn Moon, Hyoung Joon Choi,
The Korean Physical Society Fall Meeting, Gwangju, South Korea, 2008.
101. Electronic transport in Fe/MnAs/Fe structures.
Kyung Yeon Kim, Hyoung Joon Choi,
The Korean Physical Society Fall Meeting, Gwangju, South Korea, 2008.
100. First-principles study of local p(2x2) structures on Si(100) surface.
Min-Kook Kim, Hyoung Joon Choi
The Korean Physical Society Fall Meeting, Gwangju, South Korea, 2008.
99. Ab initio study of point defects in Si/Ge core-shell nanowires.
Hyung Jun Lee, Hyoung Joon Choi,
Poster,
The Korean Physical Society Fall Meeting, Gwangju, South Korea, 2008.
98. Enhanced spin density wave in LaOFeSb.
Chang-Youn Moon, Se Young Park, Hyoung Joon Choi,
The Korean Physical Society Fall Meeting, Gwangju, South Korea, 2008.
97. A LDA+U study of ortho-II YBa2Cu3O6.5.
Hyungju Oh, Hyoung Joon Choi,
Poster,
The Korean Physical Society Fall Meeting, Gwangju, South Korea, 2008.
96. Atomic and electronic structures of epitaxial graphene on SiC.
Hyoung Joon Choi,
Invited talk,
The 7th Korea Conference on Innovative Science and Technology: Electronic properties of carbon based materials, Phoenix Park, South Korea, Oct. 18-21, 2008.
95. Origins of anomalous electronic structures of epitaxial graphene on SiC.
Hyoung Joon Choi,
Invited Talk,
JSPS-KOSEF Asian core program, 5th Japan-Korea symposium on surface nanostructures, Sendai, Japan, Sep. 17-19, 2008.
94. Atomic and electronic structures of iron pnictides: first-principles calculations.
Hyoung Joon Choi,
Invited Talk,
APCTP FeAs Superconductivity workshop, KAIST, Daejeon, South Korea, Sep. 6, 2008.
93. Density functional calculations of atomic and electronic structures of LaOFeSb.
Hyoung Joon Choi,
Seminar,
Gangnam Branch, APCTP, Seoul, South Korea, Aug. 22, 2008.
92. First-principles simulation of electronic transport in nanostructures.
Hyoung Joon Choi,
Invited Talk,
APCTP focus program, Pohang, South Korea, Aug. 19, 2008.
91. LDA+U study of atomic forces in NiO.
Seyoung Park, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, 2008.
90. Electric field effects on atomic and electronic structures of epitaxial graphene on SiC: a first-principles study.
Hyung Jun Lee, Young-Woo Son, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, 2008.
89. First-principles study of topological defects on clean Si(100) surface.
Min-Kook Kim, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, 2008.
88. First-principle study of half-metallicity in Fe/MnAs/Fe.
Kyoung-Yeon Kim, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, 2008.
87. Simulation of STM images and ARPES spectra of graphene on Au and Ti surfaces.
Jung Suk Goh, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, 2008.
86. Theoretical study of electronic structures in Ca2-xSrxRuO4 with the dynamical mean-field theory.
Hyungju Oh, Hyoung Joon Choi,
Poster,
The Korean Physical Society Spring Meeting, Daejeon, South Korea, 2008.
85. Origins of anomalous electronic structures of epitaxial graphene on SiC.
Hyoung Joon Choi,
49th Shinchon Workshop, Yonsei University, Seoul, Korea, 2008.
84. Simulation of electrical conduction in nanometer-scale systems.
Hyoung Joon Choi,
Colloquium,
Department of Physics, Chonbuk National University, Jeonju, South Korea, 2008.
83. Tunneling properties of ultra-thin SiO2 barriers: a first-principles study.
Eunjung Ko, Hyoung Joon Choi,
The American Physical Society March Meeting, New Orleans, LA, USA 2008.
82. Ab initio study on atomic and electronic structures of epitaxial graphene.
Seungchul Kim, Jisoon Ihm, Hyoung Joon Choi, Young-Woo Son,
The American Physical Society March Meeting, New Orleans, LA, USA 2008.
81. Ab initio studies of electronic transport through amine-Au-linked junctions of photoactive molecules.
David A. Strubbe, Su Ying Quek, Latha Venkataraman, Hyoung Joon Choi, Jeffrey B. Neaton, Steven G. Louie,
The American Physical Society March Meeting, New Orleans, LA, USA 2008.
80. Quasiparticle gaps of nanostructures weakly-coupled to their environment: the case of C60/metal interfaces.
Jay Sau, Jeffrey B. Neaton, Hyoung Joon Choi, Steven G. Louie, Marvin L. Cohen,
The American Physical Society March Meeting, New Orleans, LA, USA 2008.
79. Strong orbital-dependent d-band hybridization and Fermi surface reconstruction in metallic Ca2-xSrxRuO4.
Hyoung Joon Choi,
Invited talk,
The 12th APCTP winter workshop on strongly correlated electron systems, APCTP, Pohang, South Korea, 2008.
[2007]
78. Origins of anomalous electronic structures of epitaxial graphene on silicon carbide.
Hyoung Joon Choi,
Graphene Research Seminar, KIAS, Seoul, South Korea, 2007.
77. First-principles simulation of electronic transport in nanostructures.
Hyoung Joon Choi,
Seminar,
School of Computer Science, Kookmin University, Seoul, South Korea, 2007.
76. Tunneling properties of ultra-thin SiO2 barriers: a first-principles study.
Eunjung Ko, Hyoung Joon Choi,
The Korean Physical Society Fall Meeting, Jeju, South Korea, 2007.
75. First-principles calculation of atomic force and stress tensor in the LDA+U formalism.
Seyoung Park, Hyoung Joon Choi,
Poster,
The Korean Physical Society Fall Meeting, Jeju, South Korea, 2007.
74. Implementation of spin-orbit coupling in first-principles LCAO calculations.
Hyung Jun Lee, Hyoung Joon Choi,
Poster,
The Korean Physical Society Fall Meeting, Jeju, South Korea, 2007.
73. Atomic and electronic structures of silicon surface with defects: a first-principles study.
Min-Kook Kim, Hyoung Joon Choi,
Poster,
The Korean Physical Society Fall Meeting, Jeju, South Korea, 2007.
72. First-principle study of atomic and electronic structures of MnAs.
Kyoung-Yeon Kim, Hyoung Joon Choi,
Poster,
The Korean Physical Society Fall Meeting, Jeju, South Korea, 2007.
71. First-principles study of atomic and electronic structures of graphene-metal contacts.
Jung Suk Goh, Hyoung Joon Choi,
Poster,
The Korean Physical Society Fall Meeting, Jeju, South Korea, 2007.
70. First-principles simulation of magnetoresistance of magnetic tunnel junctions.
Hyoung Joon Choi,
Japan-Korea Asian Core Program General Meeting: Interdisciplinary Science of Nanomaterials, Matsushima, Japan, 2007.
69. First-principles simulation of magnetoresistance of magnetic tunnel junctions.
Hyoung Joon Choi,
The 4th Conference of the Asian Consortium on Computational Materials Science, KIST, Seoul, South Korea, 2007.
68. Tunneling properties of ultra-thin SiO2 barriers: a first-principles study.
Eunjung Ko, Hyoung Joon Choi,
Poster,
The 4th Conference of the Asian Consortium on Computational Materials Science, KIST, Seoul, South Korea, 2007.
67. Strong orbital-dependent d-band hybridization and Fermi surface reconstruction in metallic Ca2-xSrxRuO4.
Hyoung Joon Choi,
1st Yonsei-Todai joint workshop on physics, The University of Tokyo, Tokyo, Japan, 2007.
66. First-principles calculation of the tunneling properties of ultra-thin SiO2 barriers.
Hyoung Joon Choi,
Invited talk,
3rd Japan-Korea Symposium on Surface Nanostructures, JSPS-KOSEF Asian Core Program, Japan, 2007.
65. Superconductivity in compressed and doped MgB2.
Hyoung Joon Choi,
Invited talk,
The 3rd KIAS Electronic Structure Calculation Workshop, KIAS, Seoul, South Korea, 2007.
64. Simulation of electrical conduction in nanometer-scale systems.
Hyoung Joon Choi,
Colloquium,
Department of Physics, Chungnam National University, Daejeon, South Korea, 2007.
63. Superconductivity in compressed and doped MgB2.
Hyoung Joon Choi,
Invited talk,
The Korean Superconductivity Society 2007 Spring Workshop, KRISS, Daejeon, South Korea, 2007.
62. Strong orbital-dependent d-band hybridization and Fermi surface reconstruction in metallic Ca2-xSrxRuO4.
Eunjung Ko, B. J. Kim, C. Kim, Hyoung Joon Choi,
The American Physical Society March Meeting, Denver, CO, USA 2007.
[2006]
61. First-principles simulation of electronic transport in nanostructures.
Hyoung Joon Choi,
Invited talk,
Yonsei-Tohoku Korea-Japan Asian Core Program General Symposium, Yonsei University, Seoul, South Korea, 2006.
60. Strong orbital-dependent d-band hybridization and Fermi surface reconstruction in metallic Ca2-xSrxRuO4.
Hyoung Joon Choi,
Invited talk,
The 9th Asian Workshop on First-Principles Electronic Structure Calculations, KIAS, Seoul, South Korea, 2006.
59. Effect of RuO6 rotation on the electronic structures of metallic Ca2-xSrxRuO4.
Eunjung Ko, B. J. Kim, C. Kim, Hyoung Joon Choi,
The 10th Anniversary Workshop of APCTP, Strongly Correlated Electron System, APCTP, Pohang, South Korea, 2006.
58. First-principles calculation of the tunneling properties of ultra-thin SiO2 barriers.
Eunjung Ko, Hyoung Joon Choi,
The Korean Institute of Metals and Materials, Fall Conference, Jeju, South Korea, 2006.
57. Effects of RuO6 rotation on the electronic structures of metallic Ca2-xSrxRuO4.
Eunjung Ko, B. J. Kim, C. Kim, Hyoung Joon Choi,
The Korean Physical Society Fall Meeting, Daegu, South Korea, 2006.
56. Simulation of electrical conduction in nanometer-scale systems.
Hyoung Joon Choi,
Colloquium,
Department of Physics, Postech, Pohang, South Korea, 2006.
55. Electrical switching in metallic carbon nanotubes.
Y.-W. Son, J. Ihm, M. L. Cohen, S. G. Louie, H. J. Choi,
Americal Physical Society March Meeting, Baltimore, MD, USA, 2006.
54. Constrained LDA ab-initio calculation of screening of charging energy in C60.
J. Sau, J. Neaton, K. H. Khoo, H. J. Choi, S. G. Louie, M. L. Cohen,
The American Physical Society March Meeting, Baltimore, MD, USA, 2006.
[2005]
53. Electrical switching in metallic carbon nanotubes.
H. J. Choi,
45th Shinchon Workshop, Sogang University, Seoul, South Korea, 2005.
52. Quantum conductance of carbon nanotubes.
H. J. Choi,
Colloquium,
Department of Physics, Yonsei University, Seoul, South Korea, 2005.
51. Phonon-induced energy shift and lifetime broadening of electronic states in solids.
H. J. Choi,
Invited lecture,
APCTP Summer School on Strongly Correlated Electron Systems, Pohang, South Korea, 2005.
50. Structures and electronic structures of K3C60 monolayers.
H. J. Choi, S. G. Louie, M. L. Cohen,
16th Annual Workshop on Recent Developments in Electronic Structure Methods, Cornell University, Ithaca, NY, USA, 2005.
49. Structures and electronic structures of potassium-doped C60 monolayers.
H. J. Choi,
2nd KIAS Workshop on Electronic Structure Calculations, Seoul, South Korea, 2005.
48. Structures and electronic structures of potassium-doped C60 monolayers.
H. J. Choi,
Invited talk,
4th Asia-Pacific Workshop on Strongly Correlated Systems, Beijing, China, 2005.
[2004]
47. First-principles calculation of nonlinear electrical transport in nanostructures.
H. J. Choi,
Seminar,
Chonnam National University, Kwangju, South Korea, 2004.
46. Structures and electronic structures of K3C60 monolayers.
H. J. Choi, S. G. Louie, M. L. Cohen,
7th Asian Workshop on First-Principles Electronic Structure Calculations, Tamkang University, Taipei, Taiwan, 2004.
45. First-principles simulation of electrical transport in nanostructures.
H. J. Choi,
Invited talk,
Korean-German Science and Technology Forum, Seoul, South Korea, 2004.
44. Structures and electronic structures of potassium-doped C60 monolayers.
H. J. Choi,
Invited talk,
Korea Supercomputing Workshop, KISTI, Taejon, South Korea, 2004.
43. Anisotropic Eliashberg theory of MgB2.
H. J. Choi,
Invited talk,
The Korean Superconductivity Society Meeting, Yongpyong, South Korea, 2004.
42. Anisotropic Eliashberg theory of MgB2.
H. J. Choi,
Invited talk,
The Korean Physical Society Spring Meeting, South Korea, 2004.
41. First-principles scattering-state approach to nonlinear electrical transport in nanostructures.
H. J. Choi, M. L. Cohen, S. G. Louie,
The American Physical Society March Meeting, Canada, 2004.
40. Nonlinear quantum transport through carbon nanostructures and molecules from first principles.
J. B. Neaton, K. H. Khoo, H. J. Choi, S. G. Louie,
The American Physical Society March Meeting, Canada, 2004.
39. Theoretical study on nonequilibrium charge transport through single organic molecules.
Y.-W. Son, H. J. Choi, S. G. Louie, M. L. Cohen, J. Ihm,
The Americal Physical Society March Meeting, Canada, 2004.
38. Anisotropic Eliashberg theory of MgB2.
H. J. Choi,
Invited talk,
8th APCTP Winter Workshop on Strongly Correlated Electron Systems, Phoenix Park, South Korea, 2004.
37. Quantum conductance in nanostructures.
H. J. Choi,
Special lecture,
KIAS-SNU Physics Winter Camp, Korea Institute for Advanced Study, Seoul, South Korea, 2004.
[2003]
36. Nonlinear electronic transport in nanostructures.
H. J. Choi,
Invited talk,
6th Asian Workshop on First-Principles Electronic Structure Calculations, Tsukuba, Japan, 2003.
35. Quantum conductance of defective carbon nanotubes under transverse electric field.
Y.-W. Son, H. J. Choi, J. Ihm,
6th Asian Workshop on First-Principles Electronic Structure Calculations, Tsukuba, Japan, 2003.
34. Nonequilibrium charge transport through single organic molecules.
Y.-W. Son, H. J. Choi, S. G. Louie, M. L. Cohen, J. Ihm,
The Korean Physical Society Fall Meeting, Daegu, South Korea, 2003.
33. Quantum conductance of defective double-wall carbon nanotube under transverse electric field.
Y.-W. Son, Y. Cho, C.-K. Lee, J. Ihm, H. J. Choi,
The Korean Physical Society Fall Meeting, Daegu, South Korea, 2003.
32. Multi-gap superconductivity in MgB2.
H. J. Choi,
Seminar,
Department of Physics, Pohang University of Science and Technology, Pohang, South Korea, 2003.
31. Superconductivity of MgB2 from first principles.
H. J. Choi,
Seminar,
Quantum Photonic Science Research Center, Hanyang University, Seoul, South Korea, 2003.
30. Multi-gap superconductivity in MgB2.
H. J. Choi,
Seminar,
Department of Physics, Korea Advanced Institute of Science and Technology, Taejon, South Korea, 2003.
29. First-principles study of superconductivity in MgB2.
H. J. Choi,
Special Condensed Matter Physics Seminar,
Department of Physics, Sungkyunkwan University, Suwon, South Korea, 2003.
28. First-principles study of superconductivity in MgB2.
H. J. Choi,
CTP seminar, Department of Physics, Seoul National University, Seoul, South Korea, 2003.
27. First-principles study of superconductivity in MgB2.
H. J. Choi,
Seminar,
Computational Sciences, Korea Institute for Advanced Study, Seoul, South Korea, 2003.
26. Physical understanding of the anomalous superconducting properties in MgB2.
H. J. Choi,
Colloquium,
Department of Physics, Yonsei University, Seoul, South Korea, 2003.
25. First-principles study of superconductivity in MgB2.
H. J. Choi,
Special Condensed Matter Physics Seminar,
Department of Physics, University of California, San Diego, California, USA, 2003.
24. Electronic conduction in nanostructures: first-principles study.
H. J. Choi,
Solid State and Optics Seminar,
Department of Applied Physics, Yale University, New Haven, Connecticut, USA, 2003.
23. Multi-gap superconductivity in MgB2.
H. J. Choi,
Invited talk,
The American Physical Society March Meeting, USA, 2003.
22. First-principles study of superconductivity in MgB2.
H. J. Choi,
Seminar,
Physics and Astronomy Department, University of British Columbia, Vancouver, Canada, 2003.
[2002]
21. First-principles study of superconductivity in MgB2.
H. J. Choi,
290k Seminar,
Department of Physics, University of California, Berkeley, California, USA, 2002.
20. Superconductivity of MgB2 from first principles.
H. J. Choi,
Invited talk,
Fourteenth Annual Workshop on Recent Developments in Electronic Structure Methods, Berkeley, California, USA, 2002.
19. First-principles study of the superconducting transition, superconducting energy gaps, low temperature specific heat, and quasiparticle spectra in MgB2.
H. J. Choi, D. Roundy, H. Sun, M. L. Cohen, S. G. Louie,
The American Physical Society March Meeting, USA, 2002.
18. Superconductivity of MgB2 from first-principles.
H. J. Choi,
Solid State and Optics Seminar,
Department of Applied Physics, Yale University, New Haven, Connecticut, USA, 2002.
[2001]
17. Electronic transport and structure in carbon nanotube junctions.
H. J. Choi, J. Ihm, Y.-G. Yoon, S. G. Louie, M. L. Cohen,
International Workshop on the Science and Application of Nanotubes, Potsdam, Germany, 2001.
16. Electronic transport in carbon nanotube junctions.
H. J. Choi, J. Ihm, Y.-G. Yoon, S. G. Louie, M. L. Cohen,
The American Physical Society March Meeting, USA, 2001.
15. First principle pseudopotential calculation of the pressure dependence of the electronic properties of MgB2.
H. Sun, D. Roundy, H. J. Choi, S. G. Louie, M. L. Cohen,
The American Physical Society March Meeting, USA, 2001.
14. Ab initio calculations of the phonon frequencies, Gruneisen constants, and electron-phonon coupling in MgB2.
D. Roundy, H. J. Choi, H. Sun, S. G. Louie, M. L. Cohen,
The American Physical Society March Meeting, USA, 2001.
[2000]
13. The conductance of carbon nanotubes contacted with liquid metals.
H. J. Choi,
Invited talk,
The Korean Physical Society Spring Meeting, South Korea, 2000.
12. Contact resistance of carbon nanotubes and metals.
H. J. Choi, J. Ihm, Y.-G. Yoon, S. G. Louie,
The American Physical Society March Meeting, USA, 2000.
11. First-principles study of intertube conductance of crossed carbon nanotube junctions.
Y.-G. Yoon, M. Mazzoni, S. G. Louie, H. J. Choi, J. Ihm,
The American Physical Society March Meeting, USA, 2000.
10. Contact resistance of carbon nanotubes and metals.
H. J. Choi, J. Ihm,
Invited talk,
The 10th Symposium on Theoretical Solid State Physics, Taejon, South Korea, 2000.
[1999]
9. First-principles study of the effects of impurities and defects on the conductance of carbon nanotubes.
H. J. Choi, J. Ihm,
2nd Korea-Japan Joint Workshop on Electronic Structure Calculations, Seoul, South Korea, 1999.
8. Conductance of capped carbon nanotubes.
J. H. Lee, H. J. Choi, J. Ihm,
The Korean Physical Society Fall Meeting, South Korea, 1999.
7. A numerical study on the magnetoresistance of carbon nanotubes in the weak localization regime.
T. J. Sung, H. J. Choi, J. Ihm,
The Korean Physical Society Fall Meeting, South Korea, 1999.
6. Ab initio calculation for the conductance of carbon nanotubes with defects.
H. J. Choi, J. Ihm,
The American Physical Society March Meeting, USA, 1999.
[1998]
5. The effect of local defects on the conductance of the carbon nanotube.
H. J. Choi, J. Ihm,
International Workshop on Semiconductor Quantum Structures, Cheju, South Korea, 1998.
4. The quantum conductance of the carbon nanotube with a local defect.
H. J. Choi, J. Ihm,
APCTP-ICTP Joint International Conference, Seoul, South Korea, 1998.
3. Pseudogap in ropes of (10,10) carbon nanotubes.
P. Delany, S. G. Louie, M. L. Cohen, J. Ihm, H. J. Choi,
The American Physical Society March Meeting, USA, 1998.
[1997]
2. Short-range-order effect on the tunneling of the GaAs heavy hole in GaAs/AlxGa1-xAs/GaAs single barrier structures.
H. J. Choi, J. Ihm,
The American Physical Society March Meeting, USA, 1997.
1. Short-range-order effect on the tunneling of the GaAs heavy hole in GaAs/AlxGal-xAs/GaAs single barrier structures.
H. J. Choi, J. Ihm,
The 7th Symposium on Theoretical Solid State Physics, Taejon, South Korea, 1997.