"Nakano Kiho,Oka Kengo,Watanuki Tetsu,Mizumaki Masaichiro,Machida  Akihiko,Agui Akane,Kim  Hyunjeong,Komiyama Jun,Mizokawa Takashi,Nishikubo Takumi,Masaki Azuma","Glassy Distribution of Bi3+/Bi5+ in Bi1?x Pb x NiO3 and Negative Thermal Expansion Induced by Intermetallic Charge Transfer",,"Chemistry of Materials",,"Vol. 28","No. 17","pp. 6062-6067",2016,Aug.