| 52. |
Non-volatile Fermi level tuning for the control of spin-charge conversion at room temperature
Jonghyeon Choi, Jungmin Park, Seunghyeon Noh, Jaebyeong Lee, Seunghyun Lee, Daeseong Choe, Hyeonjung Jung, Junhyeon Jo, Inseon Oh, Juwon Han, Soon-Yong Kwon, Chang Won Ahn, Byoung-Chul Min, Hosub Jin, Choong H. Kim* (*: correspondence), Kyoung-Whan Kim*, and Jung-Woo Yoo*
Nat. Commun. 15, 8746 (8 Oct 2024)
|
| 51. |
Transparent conducting oxides SrNbO3 thin film with record high figure of merit
Jihwan Jeong, Baekjune Kang, Jeongkuen Song, Sangmin Lee, Choong H. Kim, Uksam Choi, Eun Kyo Ko, Jong Hwa Lee, Hyoung-Taek Lee, Hyeong-Ryeol Park, Ji Hye Lee, Miyoung Kim, Tae Won Noh, and Changhee Sohn
J. Eur. Ceram. Soc. 44, 6764 (1 Sep 2024)
|
| 50. |
Classification of magnetic order from electronic structure by using machine learning
Yerin Jang, Choong H. Kim* (*: correspondence), and Ara Go*
Sci. Rep. 13, 12445 (1 Aug 2023)
|
| 49. |
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* (*: correspondence), Changyoung Kim*, and Tae Won Noh*
Nat. Commun. 14, 3572 (16 Jun 2023)
|
| 48. |
Heteroepitaxial control of Fermi liquid, Hund metal, and Mott insulator phases in the single-atomic-layer limit
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* (*: correspondence), Changyoung Kim*, and Tae Won Noh*
Advanced Materials 35, 2208833 (05 Feb 2023)
|
| 47. |
Extended oxygen octahedral tilt proximity near oxide heterostructures
Junsik Mun, Eun Kyo Ko, Baekjune Kang, Byeongjun Gil, Choong H. Kim, Sungsoo Hahn, Jeongkeun Song, Yimei Zhu, Changhee Sohn, Tae Won Noh, and Miyoung Kim
Nano Letters 23, 1036 (30 Jan 2023)
|
| 46. |
Ferroelectricity-driven phonon Berry curvature and nonlinear phonon Hall transports
Jino Im†, Choong H. Kim†* (†:co-first,*: correspondence), and Hosub Jin*
Nano Letters 22, 8281 (4 Oct 2022)
[arXiv:2209.10769]
|
| 45. |
Signature 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, Takahashi Mizokawa, Wonshik Kyung, and Changyoung Kim
npj Quantum Materials 7, 59 (8 Jun 2022)
|
| 44. |
Defect-gradient-induced Rashba effect in van der Waals PtSe2 layers
Junhyeon Jo†, Jung Hwa Kim†, Choong H. Kim† (†: co-first), Jaebyeong Lee†, Daeseong Choe, Inseon Oh, Seunghyun Lee, Zonghoon Lee, Hosub Jin, and Jung-Woo Yoo
Nat. Commun. 13, 2759 (19 May 2022)
|
| 43. |
Topological magnon band crossing in Y2Ir2O7
Thi Huyen Nguyen, Jaeseok Son, Soyeun Kim, Hwanbeom Cho, Choong H. Kim, Y. P. Wang, Kenneth S. Burch, In-Sang Yang, Jaehong Jeong, Je-Geun Park, S.J. Moon, and T. W. Noh
Phys. Rev. Lett. 127, 257203 (23 Dec 2021)
|
| 42. |
Observation of metallic electronic structure in a single-atomic-layer oxide
Byungmin Sohn, Jeong Rae Kim, Choong H. Kim, Sangmin Lee, Sungsoo Hahn, Soonsang Huh, Donghan Kim, Youngdo Kim, Wonshik Kyung, Minsoo Kim, Younsik Kim, Miyoung Kim, Tae Won Noh, and Changyoung Kim
Nat. Commun. 12, 6171 (26 Oct 2021)
[arXiv:2109.11090]
|
| 41. |
Hund’s metallicity enhanced by van Hove singularity in cubic perovskite systems
Hyeong Jun Lee, Choong H. Kim* (*: correspondence), and Ara Go*
Phys. Rev. B 104, 165138 (22 Oct 2021)
[arXiv:2107.05906]
|
| 40. |
Pressure-induced transition from Jeff=1/2 to S=1/2 states in CuAl2O4
Hwanbeom Cho, Choong H. Kim, Yongmoon Lee, Kazuki Komatsu, Byeong-Gwan Cho, Deok-Yong Cho, Taehun Kim, Chaebin Kim, Younghak Kim, Tae Yeong Koo, Yukio Noda, Hiroyuki Kagi, Daniel I. Khomskii, Donghoon Seoung, and Je-Geun Park
Phys. Rev. B Lett. 103, L081101 (3 Feb 2021)
[arXiv:2101.00754]
|
| 39. |
Electric field driven octahedral rotation in perovskite
Wonshik Kyung†, Choong H. Kim† (†: co-first), Yeong Kwan Kim, Beomyoung Kim, Chul Kim, Woobin Jung, Junyoung Kwon, Minsoo Kim, Aaron Bostwick, Jonathan D. Delinger, Yoshiyuki Yoshida, and Changyoung Kim
npj Quantum Materials 6, 5 (8 Jan 2021)
[arXiv:2012.14105]
|
| 38. |
Interplay between spin-orbit coupling and van Hove singularity in the Hund's metallicity of Sr2RuO4
Hyeong Jun Lee, Choong H. Kim* (*: correspondence), and Ara Go*
Phys. Rev. B 102, 195115 (10 Nov 2020)
[arXiv:2002.04825]
|
| 37. |
Spin-orbit coupling effects on spin-phonon coupling in Cd2Os2O7
Taehun Kim, Choong H. Kim, Jaehong Jeong, Pyeongjae Park, Kisoo Park, Ki Hoon Lee, J. C. Leiner, D. Ishikawa, A. Q. R. Baron, Zenji Hiroi, and Je-Geun Park
Phys. Rev. B Rapid Comm. 102, 201101(R) (3 Nov 2020)
[arXiv:2010.10684]
|
| 36. |
Evidence of structural evolution in Sr2RhO4 studied by time-resolved optical reflectivitiy spectroscopy
Min-Cheol Lee, Inho Kwak, Choong H. Kim, Bumjoo Lee, B. C. Park, J. Kwon, Wonsik Kyung, Changyoung Kim, Tae Won Noh, and Kyungwan Kim
Phys. Rev. B 100, 235139 (24 Dec 2019)
|
| 35. |
Ultrafast dynamics in the Lifshitz-type 5d pyrochlore antiferromagnet Cd2Os2O7
Inho Kwak, Min-Cheol Lee, Byung Cheol Park, Choong H. Kim, Bumjoo Lee, C.W. Seo, J. Yamamura, Z. Hiroi, T.W. Noh, and K.W. Kim
Phys. Rev. B 100, 144309 (25 Oct 2019)
|
| 34. |
Theoretical evidence of spin-orbital-entangled Jeff = 1/2 state in the 3d transition metal oxide CuAl2O4
Choong H. Kim* (*: correspondence), Santu Baidya, Hwanbeom Cho, V. V. Gapontsev, S. V. Streltsov, Daniel I. Khomskii, Je-Geun Park, Ara Go*, and Hosub Jin*
Phys. Rev. B Rapid Comm. 100, 161104(R) (4 Oct 2019)
[arXiv:1810.08594]
|
| 33. |
Chern insulator with a nearly flat band in the metal-organic-framework-based Kagome lattice
Santu Baidya, Seungjin Kang, Choong H. Kim* (*: correspondence), and Jaejun Yu*
Sci. Rep. 9, 13807 (24 Sep 2019)
|
| 32. |
Two-dimensional Peierls instability via zone boundary Dirac line nodes in layered perovskite oxides
Jin-Hong Park, Seung Hun Lee, Choong H. Kim, Hosub Jin, and Bohm-Jung Yang
Phys. Rev. B 99, 195107 (6 May 2019)
[arXiv:1808.06830]
|
| 31. |
Unconventional spin-phonon coupling via the Dzyaloshinskii-Moriya interaction
Jaeseok Son, Byung Cheol Park, Choong H. Kim, Hwanbeom Cho, So Yeun Kim, Luke J. Sandilands, Changhee Sohn, Je-Geun Park, Soon Jae Moon, and Tae Won Noh
npj Quantum Materials 4, 17 (29 Apr 2019)
|
| 30. |
Strong spin-phonon coupling unveiled by coherent phonon oscillations in Ca2RuO4
Min-Cheol Lee, Choong H. Kim, Inho Kwak, C. W. Seo, Changhee Sohn, F. Nakamura, C. Sow, Y. Maeno, E.-A. Kim, T. W. Noh, and K. W. Kim
Phys. Rev. B 99, 144306 (15 Apr 2019)
[arXiv:1712.03088]
|
| 29. |
Crystalline topological Dirac semimetal phase in rutile structure β'-PtO2
Rokyeon Kim*, Bohm-Jung Yang, and Choong H. Kim* (*: correspondence)
Phys. Rev. B 99, 045130 (16 Jan 2019)
[arXiv:1809.08963]
|
| 28. |
Orbital-selective confinement effect of Ru 4d orbitals in SrRuO3 ultrathin film
Soonmin Kang, Yi Tseung, Beom Hyun Kim, Seokhwan Yun, Byungmin Sohn, Bongju Kim, Daniel McNally, Eugenio Paris, Choong H. Kim, Changyoung Kim, Tae Won Noh, Sumio Ishihara, Thorsten Schmitt, and Je-Geun Park
Phys. Rev. B 99, 045113 (7 Jan 2019)
[arXiv:1812.09844]
|
| 27. |
Tunable magnetic topological insulating phases in monolayer CrI3
Santu Baidya*, Jaejun Yu*, and Choong H. Kim* (*: correspondence)
Phys. Rev. B 98, 155148 (30 Oct 2018)
|
| 26. |
Engineering carrier effective masses in ultrathin quantum wells of IrO2
Jason K. Kawasaki, Choong H. Kim, Jocienne N. Nelson, Sophie Crisp, Christian J. Zollner, Eric BiegenWald, John T. Heron, Craig J. Fennie, Darrell G. Schlom, and Kyle M. Shen
Phys. Rev. Lett. 121, 176802 (25 Oct 2018)
|
| 25. |
Abnormal phase flip in the coherent phonon oscillations of Ca2RuO4
Min-Cheol Lee, Choong H. Kim, Inho Kwak, J. Kim, S. Yoon, Byung Cheol Park, Bumjoo Lee, F. Nakamura, C. Sow, Y. Maeno, T. W. Noh, and K. W. Kim
Phys. Rev. B 98, 161115(R) (17 Oct 2018)
[arXiv:1808.06026]
|
| 24. |
Topological superconductivity in metal/quantum-spin-ice heterostructures
Jian-Huang She, Choong H. Kim, Craig J. Fennie, Michael Lawler, and Eun-Ah Kim
npj Quantum Materials 2, 64 (20 Nov 2017)
[arXiv:1603.02692]
|
| 23. |
Electronic reconstruction enhanced tunneling conductance at terrace edges of ultrathin oxide films
Lingfei Wang, Rokyeon Kim, Yoonkoo Kim, Choong H. Kim, Sangwoon Hwang, Myung Rae Cho, Yeong Jae Shin, Saikat Das, Jeong Rae Kim, Sergei V. Kalinin, Miyoung Kim, Sang Mo Yang, and Tae Won Noh
Advanced Materials 29, 1702001 (12 Oct 2017)
[arXiv:1711.04622]
|
| 22. |
Two-magnon scattering in 5d all-in/all-out pyrochlore magnet Cd2Os2O7
Thi Minh Hien Nguyen, Luke J. Sandilands, C.H. Sohn, C. H. Kim, A. L. Wysocki, In-Sang Yang, S.J. Moon, Jae-Hyeon Ko, J. Yamaura, Z. Hiroi, and Tae Won Noh
Nat. Commun. 8, 251 (15 Aug 2017)
|
| 21. |
Properties of spin-1/2 triangular-lattice antiferromagnets CuY2Ge2O8 and CuLa2Ge2O8
Hwanbeom Cho, Marie Kratochvílová, Hasung Sim, Ki-Young Choi, Choong Hyun Kim, Carley Paulsen, Maxim Avdeev, Darren C. Peets, Younghun Jo, Sanghyun Lee, Yukio Noda, Michael J. Lawler, and Je-Geun Park
Phys. Rev. B 95, 144404 (5 Apr 2017)
[arXiv:1703.04252]
|
| 20. |
Photon energy dependent circular dichroism in angle-resolved photoemission from Au(111) surface states
Hanyoung Ryu, Inkyung Song, Beomyoung Kim, Soohyun Cho, Shoresh Soltani, Timur Kim, Moritz Hoesch, Choong H. Kim, and Changyoung Kim
Phys. Rev. B 95, 115144 (24 Mar 2017)
|
| 19. |
Strong spin-phonon coupling mediated by single ion anisotropy in the all-in--all-out pyrochlore magnet Cd2Os2O7
C. H. Sohn, C. H. Kim, L. J. Sandilands, N. T. M. Hien, S. Y. Kim, H. J. Park, K. W. Kim, S. J. Moon, J. Yamaura, Z. Hiroi, and T. W. Noh
Phys. Rev. Lett. 118, 117201 (13 Mar 2017)
|
| 18. |
Electronic structure of the Kitaev material α-RuCl3 probed by photoemission and inverse photoemission spectroscopies
Soobin Sinn, Choong Hyun Kim, Beom Hyun Kim, Kyung Dong Lee, Choong Jae Won, Ji Seop Oh, Moonsup Han, Young Jun Chang, Namjung Hur, Hitoshi Sato, Byeong-Gyu Park, Changyoung Kim, Hyeong-Do Kim, and Tae Won Noh
Sci. Rep. 6, 39544 (21 Dec 2016)
[arXiv:1608.06066]
|
| 17. |
Manipulation of electronic structure via alteration of local orbital environment in [(SrIrO3)m,(SrTiO3)](m=1, 2, and ∞) superlattices
So Yeun Kim, Choong H. Kim, L. J. Sandilands, C. H. Sohn, J. Matsuno, H. Takagi, K. W. Kim, Y. S. Lee, S. J. Moon, and T. W. Noh
Phys. Rev. B 94, 245113 (6 Dec 2016)
|
| 16. |
Spin-orbit coupling induced band structure change and orbital character of epitaxial IrO2 film
Woo Jin Kim, So Yeun Kim, Choong H. Kim, Chang Hee Sohn, O. B. Korneta, Seung Chul Chae, and Tae Won Noh
Phys. Rev. B 93, 045104 (6 Jan 2016)
|
| 15. |
Hierarchical spin-orbital polarization of a giant Rashba system
Lewis Bawden, Jonathan M. Riley, Choong H. Kim, Raman Sankar, Eric J. Monkman, Daniel E. Shai, Haofei I. Wei, Edward B. Lochocki, Justin W. Wells, Worawat Meevasana, Timur K. Kim, Moritz Hoesch, Yoshiyuki Ohtsubo, Patrick Le Fèvre, Craig J. Fennie, Kyle M. Shen, Fangcheng Chou, and Phil D.C. King
Science Advances 1, e1500495 (25 Sep 2015)
[arXiv:1507.08588]
|
| 14. |
Interplay of spin-orbit interactions, dimensionality, and octahedral rotations in semimetallic SrIrO3
Y. F. Nie, P. D. C. King, C. H. Kim, M. Uchida, H. I. Wei, B. D. Faeth, J. P. Ruf, J. P. C. Ruff, L. Xie, X. Pan, C. J. Fennie, D. G. Schlom, and K. M. Shen
Phys. Rev. Lett. 114, 016401 (6 Jan 2015)
[arXiv:1501.02265]
|
| 13. |
Correlated versus conventional insulating behavior in the Jeff=1/2 vs. 3/2 bands in the layered iridate Ba2IrO4
M. Uchida, Y. F. Nie, P. D. C. King, C. H. Kim;, C. J. Fennie, D. G. Schlom, and K. M. Shen
Phys. Rev. B 90, 075142 (25 Aug 2014)
[arXiv:1408.6314]
|
| 12. |
Temperature evolution of itinerant ferromagnetism in SrRuO3 probed by optical spectroscopy
D. W. Jeong, Hong Chul Choi, Choong H. Kim, Seo Hyoung Chang, C. H. Sohn, H. J. Park, T. D. Kang, Deok-Yong Cho, S. H. Baek, C. B. Eom, J. H. Shim, J. Yu, K. W. Kim, S. J. Moon, and T. W. Noh
Phys. Rev. Lett. 110, 247202 (11 Jun 2013)
|
| 11. |
Strain-induced topological insulator phase and effective magnetic interactions in Li2IrO3
Heung-Sik Kim, Choong H. Kim, Hogyun Jeong, Hosub Jin, and Jaejun Yu
Phys. Rev. B 87, 165117 (11 Apr 2013)
|
| 10. |
Orbital chirality and Rashba interaction in magnetic bands
Jin-Hong Park, Choong H. Kim, Hyun-Woo Lee, and Jung Hoon Han
Phys. Rev. B 87, 041301(R) (3 May 2013)
[arXiv:1207.0089]
|
| 09. |
Spin and orbital angular momentum structure of Cu(111) and Au(111) surface states
Beomyoung Kim, Choong H. Kim, Panjin Kim, Wonsig Jung, Yeongkwan Kim, Yoonyoung Koh, Masashi Arita, Kenya Shimada, Hirofumi Namatame, Masaki Taniguchi, Jaejun Yu, and Changyoung Kim
Phys. Rev. B 85, 195402 (2 May 2012)
[arXiv:1112.2469]
|
| 08. |
Orbital Rashba effect and its detection by circular dichroism angle-resolved photoemission spectroscopy
Jin-Hong Park, Choong H. Kim, Jun Won Rhim, and Jung Hoon Han
Phys. Rev. B 85, 195401 (2 May 2012)
|
| 07. |
Topological quantum phase transition in transition metal oxide Na2IrO3
Choong H. Kim, Heung Sik Kim, Hogyun Jeong, Hosub Jin, and Jaejun Yu
Phys. Rev. Lett. 108, 106401 (5 Mar 2012)
[arXiv:1201.5929]
|
| 06. |
Topological quantum phase transitions driven by external electric fields in Sb2Te3 thin films
Minsung Kim, Choong H. Kim, Heungsik Kim, and Jisoon Ihm
Proc. Natl. Acad. Sci. 109, 671 (27 Dec 2011)
[Scholar]
|
| 05. |
Orbital-angular-momentum based origin of Rashba-type surface band splitting
Seung Ryong Park, Choong H. Kim, Jaejun Yu, Jung Hoon Han, and Changyoung Kim
Phys. Rev. Lett. 107, 156803 (6 Oct 2011)
[arXiv:1107.1554]
[Scholar]
|
| 04. |
Electronic structure of double perovskite A2FeReO6(A=Ba and Ca): interplay between spin-orbit interaction, electron correlation, and lattice distortion
B.C. Jeon, Choong H. Kim, S.J. Moon, Woo Seok Choi, Hogyun Jeong, Y.S. Lee, J. Yu, C.J. Won, J.H. Jung, N. Hur, and T.W. Noh
J. Phys.: Condens. Matter 22, 345602 (2 Aug 2010)
[Scholar]
|
| 03. |
Fundamental thickness limit of itinerant ferromagnetic SrRuO3 thin films
Young Jun Chang, Choong H. Kim, S.-H. Phark, Y.S. Kim, J. Yu, and T.W. Noh
Phys. Rev. Lett. 103, 057201 (30 Jul 2009)
[arXiv:0903.0225]
[Scholar]
|
| 02. |
A spin-dependent local moment approach to the Anderson impurity model
Choong H. Kim, and Jaejun Yu
J. Phys.: Condens. Matter 19, 456203 (11 Oct 2007)
[arXiv:0709.1187v2]
[Scholar]
|
| 01. |
Interplay between local electron correlation and Jahn-Teller electron-phonon interaction
Choong H. Kim, and Hyun C. Lee
Phys. Rev. B 73, 113109 (16 Mar 2006)
[arXiv:cond-mat/0603449v1]
[Scholar]
|