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Doping Effects on the Electronic Structure of an Anisotropic Kondo Semiconductor CeOsAl: An Optical Study with Re and Ir Substitution
Shin-ichi Kimura, Hitoshi Takao, Jo Kawabata +2
An anisotropic Kondo semiconductor CeOsAl exhibits an unusual antiferromagnetic order at rather high transition temperature of 28.5 K. Two possible origins of the…
Optical Evidence of Itinerant-Localized Crossover of Electrons in Cerium Compounds
Shin-ichi Kimura, Yong Seung Kwon, Yuji Matsumoto +2
Cerium (Ce)-based heavy-fermion materials have a characteristic double-peak structure (mid-IR peak) in the optical conductivity [] spectra originating from the strong conduct…
Slater to Mott crossover in the metal to insulator transition of Nd2Ir2O7
M. Nakayama, Takeshi Kondo, Z. Tian +16
We present an angle-resolved photoemission study of the electronic structure of the three-dimensional pyrochlore iridate Nd2Ir2O7 through its magnetic metal-insulator transition. O…
Surface Kondo Effect and Non-Trivial Metallic State of the Kondo Insulator YbB12
Kenta Hagiwara, Yoshiyuki Ohtsubo, Masaharu Matsunami +13
A synergistic effect between strong electron correlation and spin-orbit interaction (SOI) has been theoretically predicted to result in a new topological state of quantum matter on…