[1] Natl Inst Nat Sci, Dept Mat Mol Sci, Inst Mol Sci, Okazaki, Aichi 4448787, Japan
[2] Beijing Inst Technol, Coll Mat Sci & Engn, Beijing 100081, Peoples R China
[3] Japan Sci & Technol Agcy JST, Precursory Res Embryon Sci & Technol PRESTO, Tokyo, Japan