"Yoshitaka Nakamura,M. Kawai,Masaki Azuma,Makoto Kubota,M. Shimada,Toshiaki Aiba,Yuichi Shimakawa","Rhombohedral-tetragonal structural change and enhanced piezoelectric constant in (1-x)BiFeO3-xBiCoO3 thin films",,"IOP Conf. Series: Materials Science and Engineering",,"Vol. 18",,"pp. 092017",2011,Nov.
"Yoshitaka Nakamura,Masanori Kawai,Masaki Azuma,Makoto Kubota,M. Shimada,Toshiaki Aiba,Yuichi Shimakawa","Enhanced Piezoelectric Constant of (1- x)BiFeO3?xBiCoO3 Thin Films Grown on LaAIO3 Substrate",,"Jpn. J. Appl. Phys.",,"Vol. 50",,"pp. 031505",2011,Mar.