"Takumi Nishikubo,Yuki Sakai,Kengo Oka,Masaichiro Mizumaki,Tetsu Watanuki,Akihiko Machida,Naoyuki Maejima,Shigenori Ueda,Takashi Mizokawa,Masaki Azuma","Optimized negative thermal expansion induced by gradual intermetallic charge transfer in Bi1-xSbxNiO3",,"Applied physics express",,"Vol. 11","No. 6","p. 061102",2018,June "M. Azuma,Y. Sakai,T. Nishikubo,M. Mizumaki,T. Watanuki,T. Mizokawa,K. Oka,H. Hojo,M. Naka","Systematic charge distribution changes in Bi- and Pb-3d transition metal perovskites",,"Dalton Transactions",,"Vol. 47","No. 5","p. 1371-1377",2018,Feb.