Hong Chul Choi
Pohang University of Science and Technology
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Publication
Featured researches published by Hong Chul Choi.
Physical Review B | 2014
J.-Y. Kim; Kyoo Kim; Chang-Jong Kang; Sooran Kim; Hong Chul Choi; J.-S. Kang; J. D. Denlinger; B. I. Min
We have investigated the surface states of a potential mixed-valent topological insulator SmB
Physical Review Letters | 2012
Hong Chul Choi; B. I. Min; Ji Hoon Shim; Kristjan Haule; Gabriel Kotliar
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Physical Review B | 2010
Minjae Kim; Beom Hyun Kim; Hong Chul Choi; B. I. Min
based on the first principles density functional theory slab band structure analysis. We have found that metallic surface states are formed in the bulk band gap region, providing evidence for the topological insulating nature of SmB
New Journal of Physics | 2013
Minjae Kim; Hong Chul Choi; Ji Hoon Shim; B. I. Min
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Journal of Applied Physics | 2007
Hong Chul Choi; Ji Hoon Shim; S. K. Kwon; B. I. Min
. The obtained surface in-gap states are quite different from those in existing reports in that they are formed differently depending on the Sm or B
Physical Review Letters | 2015
Chang-Jong Kang; Hong Chul Choi; Kyoo Kim; B. I. Min
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Journal of Applied Physics | 2009
Bongjae Kim; Ji Eun Lee; Beom Hyun Kim; Hong Chul Choi; Kyoo Kim; J.-S. Kang; B. I. Min
surface termination, and are composed of mainly Sm
New Journal of Physics | 2008
B. I. Min; Seung Su Baik; Hong Chul Choi; S K Kwon; J.-S. Kang
4f
Physical Review B | 2013
Hong Chul Choi; Kristjan Haule; Gabriel Kotliar; Ji Hoon Shim
state indicating the essentiality of including
Journal of Applied Physics | 2009
Hong Chul Choi; Amel Laref; Ji Hoon Shim; S. K. Kwon; B. I. Min
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