論文&発表

Selected Papers

  • Electronic structure of Mott-insulator CaCu3Ti4O12: Photoemission and inverse photoemission study
    H. J. Im, M. Iwataki, S. Yamazaki, T. Usui, S. Adachi, M. Tsunekawa, T. Watanabe, K. Takegahara, S. Kimura, M. Matsunami, H. Sato, H. Namatame, M. Taniguchi
    Solid State Commun. 217, 17 (2015). Fast-track Communication
  • Strong correlation effects in the A-site ordered perovskite CaCu3Ti4O12 revealed by angle-resolved photoemission spectroscopy
    H. J. Im, M. Tsunekawa, T. Sakurada, M. Iwataki, K. Kawata, T. Watanabe, K. Takegahara, H. Miyazaki, M. Matsunami, T. Hajiri, S. Kimura
    Phys. Rev. B 88, 205133 (2013).
  • La-doped EuO: A Rare Earth Ferromagnetic Semiconductor with the Highest Curie Temperature
    H. Miyazaki, H. J. Im, K. Terashima, S. Yagi, M. Kato, K. Soda, T. Ito, S. Kimura
    Appl. Phys. Lett. 96, 232503 (2010).
  • Crystalline electric field effects in Ce 3d core-level spectra of heavy-fermion systems: Hard x-ray photoemission spectroscopy on CeNi1-xCoxGe2
    H. J. Im, T. Ito, S. Kimura, H.-D. Kim, J. B. Hong, Y. S. Kwon
    Phys. Rev. B 79, 193105 (2009).
  • Direct Observation of Momentum-Dependent Exchange Interaction in a Heisenberg Ferromagnet
    H. Miyazaki, T. Ito, H. J. Im, S. Yagi, M. Kato, K. Soda, S. Kimura
    Phys. Rev. Lett. 102, 227203 (2009). 
  • Direct observation of dispersive Kondo resonance peaks in a heavy-fermion system
    H. J. Im, T. Ito, H.-D. Kim, S. Kimura, K. E. Lee, J. B. Hong, Y. S. Kwon, A. Yasui, H. Yamagami
    Phys. Rev. Lett. 100, 176402 (2008).
  • Optical Pseudogap from Iron States in Filled Skutterudites AFe4Sb12 (A = Yb and Ca, Ba)
    J. Sichelschmidt, V. Voevodin, H. J. Im, S. Kimura, H. Rosner, A. Leithe-Jasper, W. Schnelle, U. Burkhardt, J.A. Mydosh, Yu. Grin, F. Steglich
    Phys. Rev. Lett. 96, 037406 (2006).
  • Continuity of Ce 4f electronic structure across the quantum critical point: A resonant photoemission study on CeNi1-xCoxGe2
    H. J. Im, T. Ito, J. B. Hong, S. Kimura, Y. S. Kwon
    Phys. Rev. B 72, 220405(R) (2005). Rapid Communication

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