56-411, Department of Physics & Astronomy, Seoul National University 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Korea
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2015

PUBLICATION
  Interlayer-state-driven superconductivity in CaC6 studied by angle resolved photoemission spectroscopy
     Wonshik Kyung, Yeongkwan Kim, Garam Han, Choonshik Leem, Chul Kim, Yoonyoung Koh, Beomyoung Kim, Youngwook Kim, Jun Sung Kim, Keun Su Kim, Eli Rotenberg, Jonathan D.    Denlinger, and Changyoung Kim
    Phys. Rev. B 92, 224516 (2015)

  Possible role of bonding angle and orbital mixing in iron pnictide superconductivity: Comparative electronic structure studies of LiFeAs and Sr2VO3FeAs
     Y. K. Kim, Y. Y. Koh, W. S. Kyung, G. R. Han, B. Lee, Kee Hoon Kim, J. M. Ok, Jun Sung kim, M. Arita, K. Shimada, H. Namatame, M. Taniguchi, S.-K. Mo, and C. Kim
    Phys. Rev. B 92, 041116(R) (2015)

•   Microscopic mechanism for the Rashba spin-band splitting: Perspectives from formation of local orbital angular momentum
    
Seung Ryong Park, Changyoung Kim
    Journal of Electron Spectroscopy and Related Phenomena, Volume 201, May 2015, Pages 6-17


•   Quantative analysis on electric dipole energy in Rashba band splitting
    
Jisook Hong, Jun-Won Rhim, Changyoung Kim, Seung Ryong Park & Ji Hoon Shim
    Scientific Reports 5, 13488 (2015)

2013

  Existence of orbital order and its fluctuation in superconducting Ba(Fe1-xCox)2As2 single crystals revealed by X-ray absorption spectroscopy
     Y. K. Kim, W. S. Jung, G. R. Han, K.-Y. Choi, K.-H. Kim, C.-C. Chen, T. P. Devereaux, A. Chainani, J. Miyawaki, Y. Takata, Y. Tanaka, M. Oura, S. Shin, A. P. Singh, H. G. Lee, J,-             Y. Kim, and C. Kim
    Phys. Rev. Lett 111, 217001 (2013)

•   Microscopic mechanism for asymmetric charge distribution in Rashba-type surface and the origin of the energy splitting scale
    
Beomyoung Kim, Panjin Kim, Wonsig Jung, Yeongkwan Kim, Yoonyoung Koh, Wonshik Kyung, Joonbum Park, Masaharu Matsunami, Shinichi Kimura, Jun Sung Kim, Jung Hoon Han, and Changyoung Kim
    Phys. Rev. B 88, 205408 (2013)


•   Growth and electronic structure studies of metal intercalated transition metal dichalcogenides MxNbSe2 (M: Fe and Cu)
    
Yoonyoung Koh, Soohyun Cho, Joon Lee, Le-Xian Yang, Yan Zhang, Cheng He, Fei Chen, Dong-Lai Feng, Masahi Arita, Kenya Shimada, Hirofumi Namatame, MAsaki Taniguchi, and Changyoung Kim
    Japanese Journal of Applied Physics 52, 10MC15 (2013)

•   Interaction of itinerant electron and spin fluctuations in electron-doped cuprates
    
Seung Ryong Park, Takao Morinari, Dong Joon Song, Choon Shik Leem, Chul Kim, Sung Kyun Choi, Kyujin Choi, Jae Hoon Kim, Felix Schmitt, Sung Kwan Mo, Dong Hui Lu, Zhi-Xun Shen, Hiroshi Eisaki, Takami Tohyama, Jung Hoon Han, and Changyoung Kim
    Phys. Rev. B 87, 174527 (2013)



2012
  Orbital selective Fermi surface shifts and mechanism of high Tc superconductivity in correlated AFeAs (A=Li, Na)
     Geunsik Lee, Hyo Seok Ji, Yeongkwan Kim, Changyoung Kim, Kristjan Haule, Gabriel Kotliar, Bumsung Lee, Seunghyun Khim, Kee Hoon Kim, Kwang S. Kim, Ki-Seok Kim, Ji Hoon Shim
    Phys. Rev. Lett 109, 177001 (2012)

•   Oxygen-content-dependent electronic structures of electron-doped cuprates
     
Dongjoon Song, Seung Ryong Park, Chul Kim, Yeongkwan Kim, Choonshik Leem, Sungkyun Choi, Wonsig Jung, Yoonyoung Koh, Garam Han, Yoshiyuki Yoshida, Hiroshi Eisaki, D. H. Lu, Z.-X. Shen, and Changyoung Kim
    Phys. Rev. B 86, 144520 (2012)


•   Photoemission studies on chain electronic structure of Y(Pr)Ba2Cu4O8
    
Young Gun Boo, W. S. Jung, Garam Han and C. Kim
    Progress in Superconductivity 13, 3, p158-162 (2012)

•   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, Masahi Arita, Kenya Shimada, Hirofumi Namatame, Masaki Taniguchi, Jaejun Yu, and Changyoung Kim
    Phys. Rev. B 85, 195402 (2012)

•   Chiral orbital-angular momentum in the surface states of Bi2Se3
    
Seung Ryong Park, Jinhee Han, Chul Kim, Yoon Young Koh, Changyoung Kim, Hyungjun Lee, Hyoung Joon Choi, Jung Hoon Han, Kyung Dong Lee, Nam Jung Hur, Masashi Arita, Kenya Shimada, Hirofumi Namatame, and Masaki Taniguchi
    Phys. Rev. Lett 108, 046805 (2012)




2011
  Warping effects in the band and angular-momentum structure of the topological insulator Bi2Te3
     Wonsig Jung, Yeongkwan Kim, Beomyoung Kim, Yoonyoung Koh, Chul Kim, Masaharu Matsunami, Shin-ichi Kimura, Masashi Arita, Kenya Shimada, Jung Hoon Han, Juyoung Kim, Beongki Cho, and Changyoung Kim
    Phys. Rev. B 84, 245435 (2011)

•   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 (2011)


•   Electronic structure of detwinned BaFe2As2 from photoemission and first principles
    
Yeongkwan Kim, Hyungju Oh, Chul Kim, Dongjoon Song, Wonsig Jung, Beomyoung Kim, Hyoung Joon Choi, Changyoung Kim, Bumsung Lee, Seunghyun Khim, Hyungjoon Kim, Keehoon Kim, Jongbeom Hong, and Yongseung Kwon
    Phys. Rev. B 83, 064509 (2011)

•   Anisotropic Dirac fermions in a Bi square net of SrMnBi2
    
Joonbum Park, G. Lee, F. Wolff-Fabris, Y. Y. Koh, M. J. Eom, Y. K. Kim, M. A. Farhan, Y. J. Jo, C. Kim, J. H. Shim, and J. S. Kim
    Phys. Rev. Lett 107, 126402 (2011)

•   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. Khim, H. J. Kim, K. H. Kim, J. B. Hong, and Y. S. Kwon
    Phys. Rev. B 83, 064509 (2011)

•   Intrinsic quasi-particle dynamics of topological metallic states
    
S. R. Park, W. S. Jung, G. R. Han, Y. K. Kim, Chul Kim, D. J. Song, Y. Y. Koh, S. Kimura, K. D. Lee, N. Hur, J. Y. Kim, B. K. Cho, J. H. Kim, Y. S. Kwon, J. H. Han, C. Kim
    New J. Phys. 13, 013008 (2011)

•   Photoemission studies on electron doped cuprate Pr0.85LaCe0.15CuO4: Revisiting the chemical pressure effect
    
D. J. Song, W. S. Kyung, S. R. Park, C. S. Leem, Chul Kim, Y. K. kim, S. K. Choi, W. S. Jung, Y. Y. Koh, H. Y. Choi, Garam Han, Yoshiyuki Yoshida, Hiroshi Eisaki, D. H. Lu, Z.-X. Shen, C. Kim
    Journal of Physics and Chemistry of Solids 72, 533-535 (2011)

•   Photoemission studies of Cu intercalated NbSe2
    
Y. Y. Koh, Y. K. Kim, W. S. Jung, G. R. Han, S. R. Park, C. S. Leem, Chul Kim, D. J. Song, W. S. Kyung, H. Y. Choi, L. X. Yang, H. Chem, D. L. Feng, C. Kim
    Journal of Physics and Chemistry of Solids 72, 565-567 (2011)

•   Self-energy analysis of multiple-bosonic mode coupling in Sr2RuO4
    
Chul Kim, W. S. Kyung, S. R. Park, C. S. Leem, D. J. Song, Y. K. Kim, S. K. Choi, W. S. Jung, Y. Y. Koh, H. Y. Choi, Yoshiyuki Yoshida, R. G. moore, Z.-X. Shen, C. Kim
    Journal of Physics and Chemistry of Solids 72, 556-558 (2011)


2010
  Method to map one-dimensional electronic wave function ny using multiple Brillouin zone angle resolved photoemission
     Dong-Wook Lee, Changyoung Kim
    Journal of Analytical Science & Technology (2010)

•   Imaging the electron density in solids by using multi-Brillouin-zone angle reolved photoelectron spectroscopy
    
W. S. Jung, C. S. Leem, Chul Kim, S. R. Park, S. Y. Park. B. J. Kim, E. Rotenberg, and C. Kim
    Phys. Rev. B 82, 235105 (2010)


•   Temperature dependent angle resolved photoemission spectroscopy study of pseudo-gaps in Sm1.82Ce0.18CuO4
    
D. J. Song, H. Y. Choi, Chul Kim, S. R. Park, C. Kim, H. Eisaki
    Progress in Superconductivity 11, 2 p83-86 (2010)

•   Quasiparticle scattering and the protected nature of the topological states in a parent topological insulator Bi2Se3
    
S. R. Park, W. S. Jung, Chul Kim, D. J. Song, C. Kim, S. Kimura, K. D. Lee, and N. Hur
    Phys. Rev. B 81, 041405 (2010)



2009
  Effect of strong correlations on the high energy anomaly in hole- and electron-doped high Tc superconductors
     B. Moritz, F. Schmitt, W. Meevasana, S. Johnston, E. M. Motoyama, M. Greven, D. H. Lu, C. Kim, R. T. Scalettar, Z.-X. Shen and T. P. Deveraux
    New J. Phys. 11, 093020 (2009)

•   High-resolution angle-resolved photoemission studies of quasiparticle dynamics in graphite
    
C. S. Leem, Chul Kim, S. R. Park, Min-Kook Kim, Hyoung Joon Choi, B. J. Kim, S. Johnston, T. Deveraux and C. Kim
    Phys. Rev. B 79, 125438 (2009)


2008
  Angle-resolved photoemission spectroscopy of electron-doped cuprate superconductors: Isotropic Electron-Phonon Coupling
     Seung Ryong Park, D.J. Song, C.S. Leem, Chul Kim, C. Kim, B.J. Kim, and H. Eisaki
    Phys. Rev. Lett. 101, 117006 (2008)

•   Novel Jeff = 1/2 Mott state induced by relativistic spin-orbit coupling in Sr2IrO4
    
B.J. Kim, Hosub Jin, S.J. Moon, J.-Y. Kim, B.-G. Park, C.S. Leem, Jaejun Yu, T. W. Noh, C. Kim, S.-J. Oh, J.-H. Park, V. Durairaj, G. Cao, and E. Rotenberg
    Phys. Rev. Lett 101, 076402 (2008)

•   Effect of linear density of states on the quasiparticle dynamics and small electron-phonon coupling in graphite
    
C.S. Leem, B.J. Kim, Chul Kim, S.R. Park, T. Ohta, A. Bostwick, E. Rotenberg, H.-D. Kim, M.K. Kim, H.J. Choi, and C. Kim
    Phys. Rev. Lett 100, 016802 (2008)


2007
  Electron removal self-energy and its application to Ca2CuO2Cl2
     Chul Kim, S.R. Park, C.S. Leem, D.J. Song, H.U. Jin, H.-D. KIM, F. Ronning, and C. Kimi
    Phys. Rev. B. 76, 104505 (2007)

•   Strong orbital-dependent d-Band hybridization and Fermi-Surface reconstruction in metallic Ca2-xSrxRuO4

    
Eunjung Ko, B.J. Kim, C. Kim, and Hyoung Joon Choi
    Phys. Rev. Lett 98, 226401 (2007)

•   Electronic structures of Sm1.85Ce0.15CuO4 : Strong `Pseudo-gap’ effect, nodeless gap and signature of short range ordering

    
S. R. Park, Y. K. Yoon, C. S. Leem, J. H. Kim, B. J. Kim, H. Koh, H. Eisaki, N. P. Armitage, C. Kim

    Phys. Rev. B 75, 060501 (2007)


2006
  Missing xy-band Fermi Surface in 4d transition-metal oxide Sr2RhO4 : Effect of the octahedra rotation on the electronic structure
     B. J. Kim, J. Yu, H. Koh, I. Nagai, S. I. Ikeda, S.-J. Oh, C. Kim
    Phys. Rev. Lett. 97, 106401 (2006)

•   Distinct spinon and holon dispersions in photoemission spectral functions from one dimensional SrCuO2
    
B. J. Kim, H. Koh, E. Rotenberg, S.-J. Oh, H. Eisaki, N. Motoyama, S. Uchida, T. Tohyama, S. Maekawa, Z.-X. Shen, C. Kim
    Nat. Phys. 2, 397-401 (2006)


•   Anomalous resonant inelastic X-ray scattering dispersions of Sr2CuO3 measured at the Cu 1s ---> sd edge
    
J. W. Seo, K. Yang, D. W. Lee, Y. S. Roh, J. H. Kim, H. Eisaki, H. Ishii, I. Jarrige, Y. Q. Cai, D. L. Feng, C. Kim
    Phys. Rev. B 73, 161104(R) (2006)

•   Studies on the La substitution site for Bi4-xLaxTi3O12 by polarization dependent X-ray absorption

    
D. W. Lee, B. J. Kim, J. W. Seo, S. Cho, S. R. Park, C. Kim, S.-J. Oh, B. S. Kang,  T. W. Noh, B. H. Park
    Journal of Applied Physics 99, 034101 (2006)



2005
  Charge dynamics in strongly correlated one dimensional Cu-O chain systems revealed by inelastic X-ray scattering
     S. Suga, S. Imada, A. Higashiya, A. Shigemoto, S. Kasai, M. Sing, H. Fujiwara, A. Sekiyama, A. Yamasaki, C. Kim, T. Nomura, J. Igarashi, M. Yabashi, and T. Ishikawa
    Phys. Rev. B. 72, 081101 (2005)

•   Stable five axes cryogenic photoemission manipulator without a differentially pumped rotary feedthrough
    
Bum Joon Kim, Hyeong-Do Kim, Duk-Yong Cho, Myongjin Kim, S.-J. Oh, Changyoung Kim
    Review of Scientific Instruments 76, 063910 (2005)


•   Anomalous high energy dispersion in photoemission spectra from insulating cuprates
    
F. Ronning, K. M. Shen, N. P. Armitage, A. Damascelli, D. H. Lu, Z-X. Shen, L. L. Miller, C. Kim

    Phys. Rev. B 71, 094518 (2005)


  Evidence for anisotropic atomic displacements and orbital distribution in the inhomogeneous CuO2 plane of the Bi2Sr2CaCu2O8+δ system
     N. L. Saini,, H. Oyanagi, M. Molle, K. B. Garg, C. Kim, A. Bianconi
    Journal of Physics and Chemistry of Solids 65, 1439-1443 (2004)

•   Resonant Inelastic X-Ray Scattering (RIXS) in SrCuO2
    
Atsushi Higashiya, Akihiko Shigemoto, Shuuichi Kasai, Shin Imada, Shigemasa Suga, Changyoung Kim, Makina Yabashi, Kenji Tamasaku and Tetsuya Ishikawa
    Solid State Communication 130, 7-11 (2004)


•   Angle resolved photoemission studies on Sm2-xCexCuO4 : Remnant Fermi surfaces and coupling to (π,π) scattering
    
H. S. Jin, D. H. Lu, N. P. Armitage, W. H. Choi, B. J. Kim, S.-J. Oh, S. H. Moon, H. Eisaki, C. Kim

    Journal of Physics and Chemistry of Solids 65, 1403-1407 (2004)
2004


2003
Electronic structure studies of the buried Ni layer in a Cu/Ni/Cu multilayer by resonant photoemission at the Ni L3
     Ranju Jung, Hoon Koh, Jae Yong Lee, Dong Geun You, Wonhoon Choi, C. Kim
    Journal of Applied Physics 94, 7, p4649-4651 (2003)

•   Angle resolved photoemission spectral function analysis of the electron doped cuprate Nd1.85Ce0.15CuO4

     
N. P. Armitage, D.H. Lu, C. Kim, A. Damascelli, K.M. Shen, F. Ronning, D.L. Feng,    Bogdanov, X. J. Zhou, W. L. Yang, Z. Hussain, P. K. Mang, N. Kaneko, M. Greven, Y. Onose, Y. Taguchi, Y. Tokura, Z.-X. Shen
   Phys. Rev. B 68, 064517 (2003)


•   A multichannel superconducting tunnel junction detector for high-resolution X-ray spectroscopy of magnesium diboride films
    
S. Friedrich, A. Vailionis, O. Drury, T. Niedermayr, T. Funk, W. N. Kang, E. M. Choi, H. Kim, S.-I Lee, S. P. Cramer, C. Kim, S. E. Labov
    IEEE Transactions on Applied Superconductivity 13(2), 1114-1119 (2003)

•   Angle-resolved photoemission spectroscopy of (Ca,Na)2CuO2Cl2 crystals: Fingerprints of a magnetic insulator in a heavily underdoped superconductor
    
Y. Kohsaka, T. Sasakawa, F. Ronning, T. Yoshida, C. Kim, T. Hanaguri, M. Azuma, M. Takano, Z.-X. Shen, H. Takagi
    Journal of Phys. Society of Japan 72(5), 1018-1021 (2001)

•   Evolution of a metal to insulator transition in Ca2-xNaxCuO2Cl2 as seen by angle-resolved photoemission
    
F. Ronning, T. Sasagawa, Y. Kohsaka, K. M. Shen, A. Damascelli, C. Kim, T. Yoshida, N. P. Armitage, D. H. Lu, D. L. Feng, L. L. Miller, H. Takagi, Z.-X. Shen
    Phys. Rev. B 67, 165101 (2003)

•  X-ray diffraction measurements of the c-axis Debye-Waller factors of YBa2Cu3O7 and HgBa2CaCu2O6
    
C. Kim, A. Mehta, D. L. Feng, K. M. Shen, N. P. Armitage, K. Char, S. H. Moon, Y. Y. Xie, and J. Wu

    Phys. Rev. B 67, 092508 (2003)

•   Universality of the electronic structure from a half filled CuO2 plane
    
F. Ronning, C. Kim, K. M. Shen, N. P. Armitage, A. Damascelli, D. H. Lu, D. L. Feng, Z.-X. Shen, L. L. Miller, R. J. Birgeneau, M. A. Kastner, I. Terasaki
    Phys. Rev. B 67, 035113 (2003)

Doping dependence of an n-type cuprate superconductor investigated by angle-resolved photoemission spectroscopy
     N. P. Armitage, F. Ronning, D. H. Lu, C. Kim, A. Damascelli, K. M. Shen, D. L. Feng, H. Eisaki, Z.-X. Shen, K. Mang, N. Kaneko, M. Greven, Y. Onose, Y. Taguchi, Y. Tokura
    Phys. Rev. Lett. 88, 257001 (2002)

•   Electronic excitations near the Brillouin zone boundary of Bi2Sr2CaCu2O
8+δ
     
D. L. Feng, C. Kim, H. Eisaki, D. H. Lu, K. M. Shen, F. Ronning, N. P. Armitage, A. Damascelli, N. Kaneko, M. Greven, J.-i. Shimoyama, K. Kishio, R. Yoshizaki, G. Gu, Z.-X.Shen
    Phys. Rev. B 65, 220501 (2002)


•   Coexistence of interfering and noninterfering channels in resonant photoemission spectra across the Cu 2p --> 3d
    
S. Pagliara, L. Sangaletti, A. Goldoni, C. Kim, Z.-X. Shen, A. Revcolevschi, G. Dhalenne, F. Parmigiani
    Phys. Rev. B 65, 205107 (2002)

•   Angle-resolved photoemission study of Zn-doped PrBa2Cu4O8: Possible observation of single particle spectral function for a Tomonaga-Luttinger liquid
    
T. Mizokawa, K. Nakada, C. Kim, Z.-X. Shen, T. Yoshida, A. Fujimori, S. Horii, Yuh. Yamada, H. Ikuta, U. Mizutani
    Phys. Rev. B 65, 193101 (2002)

•   Anomalous temperature dependence in the photoemission spectral function of cuprates
    
C. Kim, F. Ronning, A. Damascelli, D. L. Feng, Z.-X. Shen, B. O. Wells, Y. J. Kim, R. J. Birgeneau, M. A. Kastner, L. L. Miller, H. Eisaki, S. Uchida
    Phys. Rev. B 65, 174516 (2002)

•  Photoemission study of the intra-unit-cell coupling in a trilayer cuprate
    
D. L. Feng, H. Eisaki, K. M. Shen, A. Damascelli, C. Kim, D. H. Lu, Z.-X. Shen, K. Shimizu, J. I. Shimoyama, K. Kishio, N. Motoyama, N. Kaneko, M. Greven, G. D. Gu
    International Journal of Modern Physics B 16, 1691-1696 (2002)

•   Doping dependent evolution of the electronic structure of La2-xSrxCuO4 in the superconducting and metallic phases
   
A. Ino, C. Kim, M. Nakamura, T. Yoshida, T. Mizokawa, Z.-X. Shen, A. Fujimori, M. Takaba, T. Takeshita, H. Eisaki, S. Uchida
    Phys. Rev. B 65, 094504 (2002)

•   Electronic structure of the trilayer cuprate superconductor Bi2Sr2Ca2Cu3O
10+δ
   
D. L. Feng, A. Damascelli, K. M. Shen, N. Motoyama, D. H. Lu, H. Eisaki, K. Shimizu, J.-i. Shimoyama,  K. Kishio, N. Kaneko, M. Greven, G.D. Gu, X.J. Zhou, C. Kim, F. Ronning, N. P. Armitage,  Z.-X.Shen
    Phys. Rev. Lett. 88, 107001 (2002)

2002

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