About OKAMOTO YOSHIHIKO
About HIROI ZENJI
About antiferromagnet
About triangular lattice
About copper ore
About frustration effect
About ground state
About quantum fluctuation
About crystal structure
About quantum liquid
About spin system
About magnetic susceptibility
About Curie-Weiss law
About RVB state
About Kagome lattice
About ハーバートスミス石
About ボルボーズ石
About quantum spin
About ベシニエ石
About Magnetic properties of oxides
About Crystal structure of metal oxides and chalcogenides
About カゴメ格子
About スピン
About 銅鉱