*Kaya Kobayashi1,2, Teppei Ueno1, Takanori Wakita2, Tetsuya Furukawa3, Tetsuaki Itou3, Takayoshi Yokoya1,2, Jun Akimitsu2
(1. Department of Physics, Okayama University(Japan), 2. RIIS, Okayama University(Japan), 3. Department of Applied Physics, Tokyo University of Science(Japan))
キーワード:Superconductivity, valence skip, doping effect