electronic
structures
group
ESG

indicates corresponding authors
* indicates co-first authors


2023

Melting of unidirectional charge density waves across twin domain boundaries in GdTe3
Sanghun Lee*, Eunseo Kim*, Junho Bang, Jongho Park, Changyoung Kim, Dirk Wulferding✉, and Doohee Cho✉
Nano Letters (2023)


Linear scaling relationship of Néel temperature and dominant magnons in pyrochlore ruthenates
Jae Hyuck Lee*, Dirk Wulferding*, Junkyoung Kim, Dongjoon Song✉, Seung Ryong Park✉, and Changyoung Kim
Physical Review B 108, 054443 (2023)


Collective magnetic Higgs excitation in a pyrochlore ruthenate
Dirk Wulferding, Junkyoung Kim, Mi Kyung Kim, Yang Yang, Jae Hyuck Lee, Dongjoon Song, Dongjin Oh, Heung-Sik Kim, Li Ern Chern, Yong Baek Kim, Minji Noh, Hyunyong Choi, Sungkyun Choi, Natalia B. Perkins, Changyoung Kim✉ and Seung Ryong Park✉
npj Quantum Materials 8, 40 (2023)

Growth and Electronic Structure of Copper Oxide Monolayer Epitaxial Films
Youngdo Kim, Byeongjun Gil, Jinkwon Kim, Yeonjae Lee, Donghan Kim, Sungsoo Hahn, Tae Won Noh, Miyoung Kim, and Changyoung Kim
Nano Letters 23, 7273 (2023)

Kondo interaction in FeTe and its potential role in the magnetic order
Younsik Kim, Min-Seok Kim, Dongwook Kim, Minjae Kim, Minsoo Kim, Cheng-Maw Cheng, Joonyoung Choi, Saegyeol Jung, Donghui Lu, Jong Hyuk Kim, Soohyun Cho, Dongjoon Song, Dongjin Oh, Li Yu, Young Jai Choi, Hyeong-Do Kim, Jung Hoon Han, Younjung Jo, Ji Hoon Shim, Jungpil Seo, Soonsang Huh✉ & Changyoung Kim
Nature Communications 14, 4145 (2023)

Observation of the orbital Hall effect in a light metal Ti
Young-Gwan Choi*, Daegeun Jo*, Kyung-Hun Ko*, Dongwook Go, Kyung-Han Kim, Hee Gyum Park, Changyoung Kim, Byoung-Chul Min, Gyung-Min Choi✉, and Hyun-Woo Lee✉
Nature 619, 52 (2023)

Tuning orbital-selective phase transitions in a two-dimensional Hund's correlated system
Eun Kyo Ko*, Sungsoo Hahn*, Changhee Sohn, Sangmin Lee, Seung-Sup B. Lee, Byungmin Sohn, Jeong Rae Kim, Jaeseok Son, Jeongkeun Song, Youngdo Kim, Donghan Kim, Miyoung Kim, Choong H. Kim†, Changyoung Kim✉ & Tae Won Noh✉
Nature Communications 14, 3572 (2023)

Spin fluctuations in Sr1.8La0.2RuO4
Zheng He, Qisi Wang✉, Yu Feng, Chul Kim, Wonshik Kyung, Changyoung Kim, Yoshiyuki Yoshida, Hongliang Wo, Gaofeng Ding, Yiqing Hao, Feiyang Liu, Helen C. Walker, Devashibhai T. Adroja, Astrid Schneidewind, Wenbin Wang, and Jun Zhao✉
Physical Review B 107, L201107 (2023)

Electric control of two-dimensional Van Hove singularity in oxide ultra-thin films
Donghan Kim*, Younsik Kim*, Byungmin Sohn✉, Minsoo Kim, Bongju Kim, Tae Won Noh, and Changyoung Kim
Advanced Materials 35, 2207188 (2023)

Heteroepitaxial Control of Fermi Liquid, Hund Metal, and Mott Insulator Phases in Single-Atomic-Layer Ruthenates
Jeong Rae Kim*, Byungmin Sohn*, Hyeong Jun Lee*, Sangmin Lee, Eun Kyo Ko, Sungsoo Hahn, Sangjae Lee, Younsik Kim, Donghan Kim, Hong Joon Kim, Youngdo Kim, Jaeseok Son, Charles H. Ahn, Frederick J. Walker, Ara Go, Miyoung Kim, Choong H. Kim✉, Changyoung Kim✉, Tae Won Noh✉
Advanced Materials 35, 2208833 (2023)



2022

Universality of charge doping driven metal-insulator transition in Sr2RhO4 and role of spin-orbit couplings
Junyoung Kwon, Shoresh Soltani, Craig Polley, Jongkeun Jung, Minsoo Kim, Donghan Kim, Jonathan Denlinger, Dongjoon Song, Yoshiyuki Yoshida, Wonshik Kyung✉, and Changyoung Kim
Physical Review B 106, L241114 (2022)

Defect engineering in A2BO4 thin films via surface-reconstructed LaSrAlO4 substrates
Jinkwon Kim, Youngdo Kim, Junsik Mun, Woo Jin Choi, Yunyeong Chang, Jeong Rae Kim, Byeongjun Gil, Jong Hwa Lee, Sungsoo Hahn, Hongjoon Kim, Seo Hyoung Chang,Gun Do Lee, Miyoung Kim, Changyoung Kim, and Tae Won Noh✉
Small Methods 6, 2200880 (2022)

Evolution of electronic band reconstruction in thickness-controlled perovskite SrRuO3 thin films
Byungmin Sohn, Changyoung Kim
Journal of the Korean Physical Society 81, 1250 (2022)

Quantum electron liquid and its possible phase transition
Sunghun Kim*, Joonho Bang*, Chan-young Lim*, Seung Yong Lee, Jounghoon Hyun, Gyubin Lee, Yeonghoon Lee, Jonathan D. Denlinger, Soonsang Huh, Changyoung Kim, Sang Yong Song, Jungpil Seo, Dinesh Thapa, Seong-Gon Kim, Young Hee Lee, Yeongkwan Kim✉, Sung Wng Kim✉
Nature Materials 21, 1269 (2022)

Tunable spin injection and detection across a van der Waals interface: Electronic control and polarization reversal
Keun-Hong Min*, Dukhyun Lee*, Sang-Jun Choi, In-Ho Lee, Junho Seo, Dong Wook Kim, Kyung-Tae Ko, Kenji Watanabe, Takashi Taniguchi, Dong-Han Ha, Changyoung Kim, Ji Hoon Shim, Jonghwa Eom✉, Jun-Sung Kim✉ and Suyong Jung✉
Nature Materials 21, 1144 (2022)

Cu doping effects on the electronic structure of Fe1-xCuxSe
S. Huh*, Z. Lu*, Y. S. Kim, D. Kim, S. B. Liu, M. W. Ma, L. Yu✉, F. Zhou, X. L. Dong, C. Kim✉, and Z. X. Zhao
Physical Review B 105, 245140 (2022)

Metallic interface induced ionic redistribution within amorphous MoO3 films
F. Paparoni, E. Mijiti, S. Kazim, M. Minicucci, N. Pinto, A. D'Elia, C. Kim, S. Huh, R. Gunnella, A. Marcelli, A. Di Cicco, and S.J. Rezvani✉
Advanced Materials Interfaces 9, 2200453 (2022)

Observation of Kondo hybridisation with an orbital-selective Mott phase in 4d Ca2-xSrxRuO4
Minsoo Kim, Junyoung Kwon, Choong H. Kim, Younsik Kim, Daun Chung, Hanyoung Ryu, Jongkeun Jung, Beom Seo Kim, Dongjoon Song, Jonathan D. Denlinger, Moonsup Han, Yoshiyuki Yoshida, Takashi Mizokawa, Wonshik Kyung✉, Changyoung Kim
npj Quantum Materials 7, 59 (2022)

Strong antiferromagnetic proximity coupling in the heterostructure superconductor Sr2VO3δFeAs
Jong Mok Ok*, Chang Il Kwon*, O. E. Ayala Valenzuela, Sunghun Kim, Ross D. McDonald, Jeehoon Kim, E. S. Choi, Woun Kang, Y. J. Jo, C. Kim, E. G. Moon, Y. K. Kim, and Jun Sung Kim✉
Physical Review B 105, 214505 (2022)

Strain-controlled evolution of electronic structure indicating topological phase transition in the quasi-one-dimensional superconductor TaSe3
Jounghoon Hyun, Min Yong Jeong, Myung-Chul Jung, Yeonghoon Lee, Younsik Kim, Saegyeol Jung, Byeongjun Seok, Junseong Song, Chan-young Lim, Jaehun Cha, Gyubin Lee, Yeojin An, Makoto Hashimoto, Donghui Lu, Jonathan D. Denlinger, Sung Wng Kim, Changyoung Kim, Myung Joon Han✉, Sunghun Kim✉, and Yeongkwan Kim✉
Physical Review B 105, 115143 (2022)

Challenges in identifying chiral spin textures via the topological Hall effect
Graham Kimbell*, Changyoung Kim, Weida Wu, Mario Cuoco, and Jason W. A. Robinson
Communications Materials 3, 19 (2022)

Understanding the Role of Electronic Effect in CO on Pt-Sn Alloy Surface via Band Structure Measurements
Jongkeun Jung, Sungwoo Kang, Laurent Nicolai, Jisook Hong, Ján Minár, Inkyung Song, Wonshik Kyung, Soohyun Cho, Beom Seo Kim, Jonathan Denlinger, Francisco José Cadete Santos Aires, Eric Ehret, Phillip Ross, Ji Hoon Shim, Slavomir Nemsak, Do Young Noh, Seungwu Han, Changyoung Kim, Bongjin Mun
ACS Catalysis 12, 219 (2022)

Electronic structures of CO adsorbed Pt-skin surface on Pt-Co and Pt-Ni alloys
Jongkeun Jung, Jisook Hong, Donghan Kim, Minsoo Kim, Jihoon Shim, Changyoung Kim
Current Applied Physics 35, 1 (2022)



2021

B1g phonon anomaly driven by Fermi surface instability at intermediate temperature in YBa2Cu3O7-δ
Dongjin Oh, Dongjoon Song, Younsik Kim, Shigeki Miyasaka, Setsuko Tajima, Jin Mo Bok, Yunkyu Bang, Seung Ryong Park, Changyoung Kim
Physical Review Letters 127, 277001 (2021)


Observation of spin-dependent dual ferromagnetism in perovskite ruthenates
Sungsoo Hahn*, Byungmin Sohn*, Minjae Kim, Jeong Rae Kim, Soonsang Huh, Younsik Kim, Wonshik Kyung, Minsoo Kim, Donghan Kim, Youngdo Kim, Tae Won Noh, Ji Hoon Shim, and Changyoung Kim
Physical Review Letters 127, 256401 (2021)

Band-selective gap opening by a C4-symmetric order in a proximity-coupled heterostructure Sr2VO3FeAs
Sunghun Kim*, Jong Mok Ok*, Hanbit Oh, Chang-il Kwon, Yi Zhang, Jonathan D. Denlinger, Sung-Kwan Mo, Frederik Wolff-Fabris, Erik Kampert, Eun-Gook Moon, Changyoung Kim, Jun Sung Kim, and Yeongkwan Kim
Proceedings of the National Academy of Sciences of the United States of America 118, e2105190118 (2021)

Observation of metallic electronic structure in a single-atomic-layer oxide
Byungmin Sohn*, Jeong Rae Kim*, Choong H. Kim, Sangmin Lee, Sungsoo Hahn, Younsik Kim, Soonsang Huh, Donghan Kim, Youngdo Kim, Wonshik Kyung, Minsoo Kim, Miyoung Kim, Tae Won Noh, and Changyoung Kim
Nature Communications 12, 6171 (2021)

Unveiling unconventional magnetism at the surface of Sr2RuO4
R. Fittipaldi*, R. Hartmann*, M. T. Mercaldo, S. Komori, A. Bjørlig, W. Kyung, Y. Yasui, T. Miyoshi, L. A. B. Olde-Olthof, C. M. Palomares-Garcia, V. Granata, I. Keren, W. Higemoto, A. Suter, T. Prokscha, A. Romano, C. Noce, C. Kim, Y. Maeno, E. Scheer, B. Kalisky, J. W. A. Robinson, M. Cuoco, Z. Salman, A. Vecchione, A. Di Bernardo
Nature Communications 12, 5792 (2021)

Sign-tunable anomalous Hall effect induced by two-dimensional symmetry-protected nodal structures in ferromagnetic perovskite oxide thin films
Byungmin Sohn*, Eunwoo Lee*, Se Young Park, Wonshik Kyung, Jinwoong Hwang, Jonathan D. Denlinger, Minsoo Kim, Donghan Kim, Bongju Kim, Hanyoung Ryu, Soonsang Huh, Ji Seop Oh, Jong Keun Jung, Dongjin Oh, Younsik Kim, Moonsup Han, Tae Won Noh, Bohm-Jung Yang, and Changyoung Kim
Nature Materials 20, 1643 (2021)

Observation of Dresselhaus type spin splitting of zinc-blende structure semiconductors by circular dichroic photoemission study
Soohyun Cho, Wonsig Jung, Jisook Hong, Beomyoung Kim, Garam Han, M. Leandersson, T. Balasubramanian, Masashi Arita, Kenya Shimada, Ji Hoon Shim, Changyoung Kim, Seung Ryong Park
Current Applied Physics 30, 96 (2021)


Stable humplike Hall effect and coplanar spin textures in SrRuO3 ultrathin films
Byungmin Sohn, Bongju Kim, Se Young Park, Hwan Young Choi, Jae Young Moon, Taeyang Choi, Young Jai Choi, Hua Zhou, Jun Woo Choi, Alessandro Bombardi, Dan. G. Porter, Seo Hyoung Chang, Jung Hoon Han, and Changyoung Kim
Physical Review Research 3, 023232 (2021)

Antiperovskite Gd3SnC: Unusual coexistence of ferromagnetism and heavy fermions in Gd lattice
Joonho Bang*, Jongho Park*, Kimoon Lee, Minsoo Kim, Wonshik Kyung, Jonathan Denlinger, Yeong Kwan Kim, Young Hee Lee, Changyoung Kim, Sung Wng Kim
Advanced Materials 33, 2102958 (2021)

Deep learning-based statistical noise reduction for multidimensional spectral data
Younsik Kim, Dongjin Oh, Soonsang Huh, Dongjoon Song, Sunbeom Jeong, Junyoung Kwon, Minsoo Kim, Donghan Kim, Hanyoung Ryu, Jongkeun Jung, Wonshik Kyung, Byunmgin Sohn, Suyoung Lee, Jounghoon Hyun, Yeonghoon Lee, Yeong-Kwan Kim, Changyoung Kim
Review of Scientific Instruments 92, 073901 (2021)

Chemical control of the Rashba spin splitting size of α-GeTe(111) surface states by adjusting the potential at the topmost atomic layer
Hanyoung Ryu*, Jae-Mo Lihm*, Joonil Cha, Beomyoung Kim, Beom Seo Kim, Wonshik Kyung, Inkyung Song, Yeongkwan Kim, Garam Han, Jonathan Denlinger, In Chung, Cheol-Hwan Park, Seung Ryong Park, and Changyoung Kim
Physical Review B 103, 245113 (2021)

Correlated magnetic weyl semimetal state in strained Pr2Ir2O7
Yangyang Li, Taekoo Oh, Jaeseok Son, Jeongkeun Song, Mi Kyung Kim, Dongjun Song, Sukhyun Kim, Seo Hyoung Chang, Changyoung Kim, Bohm-Jung Yang, And Tae Won Noh
Advanced Materials 33, 2008528 (2021)

Capping and gate control of anomalous Hall effect and hump structure in ultra-thin SrRuO3 films
Donghan Kim*, Byungmin Sohn*, Minsoo Kim, Sungsoo Hahn, Youngdo Kim, Jong Hyuk Kim, Young Jai Choi, and Changyoung Kim
Applied Physics Letters 118, 173102 (2021)

Effect of the sample work function on alkali metal dosing induced electronic structure change
Saegyeol Jung, Yukiaki Ishida, Minsoo Kim, Masamichi Nakajima, Shigeyuki Ishida, Hiroshi Eisaki, Woojae Choi, Yong Seung Kwon, Jonathan D. Denlinger, Toshio Otsu, Yohei Kobayashi, Soonsang Huh, and Changyoung Kim
Journal of Electron Spectroscopy and Related Phenomena 249, 147045 (2021)

A compact and stable incidence-plane-rotating second harmonics detector
S. H. Kim, S. Jung, B. Seok, Y. S. Kim, H. Park, T. Otsu, Y. Kobayashi, C. Kim, and Y. Ishida
Review of Scientific Instruments 92, 043905 (2021)

Spin-orbit coupling driven orbital-selective doping effect in Sr2Ru1-xIrxO4
Junyoung Kwon, Beom Seo Kim, Mi Kyung Kim, Jonathan Denlinger, Aaron Bostwick, Eli Rotenberg, Nara Lee, Hwan Young Choi, Jae Young Moon, Young Jai Choi, Junsik Mun, Miyoung Kim, Yoshiyuki Yoshida, Wonshik Kyung, and Changyoung Kim
Physical Review B 103, L081104 (2021)

Direct observation of kink evolution with the approach to the metal-insulator transition in NiS2-xSex: Hund's coupling effect and coherence energy scales
Bo Gyu Jang*, Garam Han*, Ina Park, Dongwook Kim, Yoonyoung Koh, Yeong Kwan Kim, Wonshik Kyung, Hyeong-Do Kim, Cheng-Maw Cheng, Ku Tsuei, Kyungdong Lee, Namjung Hur, Ji Hoon Shim, Changyoung Kim, and Gabriel Kotliar
Nature Communications 12, 1208 (2021)

Electric-field-driven octahedral rotation in perovskite
Wonshik Kyung*, Choong H. Kim*, Yeong Kwan Kim, Beomyoung Kim, Chul Kim, Woobin Jung, Junyoung Kwon, Minsoo Kim, Aaron Bostwick, Jonathan D. Denlinger, Yoshiyuki Yoshida, and Changyoung Kim
npj Quantum Materials 6, 5 (2021)

Studying local Berry curvature in 2H-WSe2 by circular dichroism photoemission utilizing crystal mirror plane
Soohyun Cho, Jin-Hong Park, Soonsang Huh, Jisook Hong, Wonshik Kyung, Byeong-Gyu Park, J. D. Denlinger, Jihoon Shim, Changyoung Kim, and Seung Ryong Park
Scientific Reports 11, 1684 (2021)



2020

Nonsymmorphic Dirac semimetal and carrier dynamics in the doped spin-orbit-coupled Mott insulator Sr2IrO4
J. W. Han*, Sun-Woo Kim*, W. S. Kyung, C. Kim, G. Cao, X. Chen, S. D. Wilson, Sangmo Cheon, and J. S. Lee
Physical Review B 102, 041108 (R) (2020)

Momentum dependent dxz/yz band splitting in LaFeAsO
S. S. Huh, Y. S. Kim, W. S. Kyung, J. K. Jung, R. Kappenberger, S. Aswartham, B. Büchner, J. M. Ok, J. S. Kim, C. Dong, J. P. Hu, S. H. Cho, D. W. Shen, J. D. Denlinger, Y. K. Kim & C. Kim
Scientific Reports 10, 19377 (2020)

Detection of the Chiral Spin Structure in Ferromagnetic SrRuO3 Thin Film
Hai Huang, Sang-Jun Lee, Bongju Kim, Byungmin Sohn, Changyoung Kim, Chi-Chang Kao, and Jun-Sik Lee
ACS Applied Materials & Interfaces 12, 37757 (2020)

Work function seen with sub-meV precision through laser photoemission
Yukiaki Ishida, Jongkeun Jung, Minsoo Kim, Junyoung Kwon, Younsik Kim, Daun Chung, Inkyung Song, Changyoung Kim, Toshio Otsu, and Yohei Kobayashi
Communications Physics 3, 158 (2020)

Electronic band structure of (111) SrRuO3 thin films: An angle-resolved photoemission spectroscopy study
Hanyoung Ryu, Yukiaki Ishida, Bongju Kim, Jeong Rae Kim, Woo Jin Kim, Yoshimitsu Kohama, Shusaku Imajo, Zhuo Yang, Wonshik Kyung, Sungsoo Hahn, Byungmin Sohn, Inkyung Song, Minsoo Kim, Soonsang Huh, Jongkeun Jung, Donghan Kim, Tae Won Noh, Saikat Das, and Changyoung Kim
Physical Review B 102, 041102 (R) (2020)

2R45° surface reconstruction and electronic structure of  BaSnO3 film
Shoresh Soltani, Sungyun Hong, Bongju Kim, Donghan Kim, Jong Keun Jung, Byungmin Sohn, Tae Won Noh, Kookrin Char, and Changyoung Kim
Physical Review Materials 4, 055003 (2020)

Rotation of reflectivity anisotropy due to uniaxial strain along [110]tetr in the electron-doped Fe-based superconductor Ba(Fe0.955Co0.045)2As2
Inho Kwak, Soonsang Huh, Min-Cheol Lee, Younsik Kim, Bumjoo Lee, Y. S. Lee, C. W. Seo, Byung Cheol Park, Thomas Wolf, Changyoung Kim, Tae Won Noh, and K. W. Kim
Physical Review B 101, 165136 (2020)

Gate-tunable reversible Rashba-Edelstein effect in a few-layer graphene/2H-TaS2 heterostructure at room temperature
Lijun Li, Jin Zhang, Gyuho Myeong, Wongil Shin, Hongsik Lim, Boram Kim, Seungho Kim, Taehyeok Jin, Stuart Cavill, Beom Seo Kim, Changyoung Kim, Johannes Lischner, Aires Ferreira, and Sungjae Cho
ACS Nano 14, 5251 (2020)

Absence of Y-pocket in 1-Fe Brillouin zone and reversed orbital occupation imbalance in FeSe
S. S. Huh, J. J. Seo, B. S. Kim, S. H. Cho, J. K. Jung, S. Kim, C. I. Kwon, Jun Sung Kim, Y. Y. Koh, W. S. Kyung, J. D. Denlinger, Y. H. Kim, B. N. Chae, N. D. Kim, Y. K. Kim & C. Kim
Communications Physics 3, 52 (2020)

Hump-like structure in Hall signal from ultra-thin SrRuO3  films without inhomogeneous anomalous Hall effect
Byungmin Sohn, Bongju Kim, Jun woo Choi, Seo Hyeong Chang, Jung Hoon Han, Changyoung Kim
Current Applied Physics 20, 186 (2020)




Publications