"Hajime Hojo,Kou Onuma,Yuichi Ikuhara,Masaki Azuma","Structural evolution and enhanced piezoresponse in cobalt-substituted BiFeO3 thin films",,"APPLIED PHYSICS EXPRESS",,"Vol. 7","No. 9","pp. 091501",2014,Sept.
"大沼 航,北條 元,幾原 雄一,東 正樹","PLD 法により作製した(1 −x )BiFeO<sub>3</sub> ?xBiCoO<sub>3 </sub>エピタキシャル薄膜の結晶構造および電気特性",,"粉体および粉末冶金",,"Vol. 61","No. 1","pp. 44-49",2014,Jan.
"Hajime Hojo,Ko Onuma,Yuichi Ikuhara,Masaki Azuma","Effect of Oxygen Pressure on Electrical Properties of BiFe<sub>0.9</sub>Co<sub>0.1</sub>O<sub>3</sub> Thin Films Prepared by Pulsed Laser Deposition",,"Japanese Journal of Applied Physics",,"Vol. 52",,"pp. 09KD09-1-3",2013,Sept.