"山下 直飛人,須田山 貴亮,田久保 耕,溝川 貴司,山田 良則,豊崎 秀海,福村 知昭,川崎 雅司","30aVE-8 光照射によるTi<sub><1-x>Co</sub>xO_2の電子状態変化II(30aVE 磁性半導体,領域4(半導体,メゾスコピック系・局在))",,"日本物理学会講演概要集","一般社団法人 日本物理学会","Vol. 64","No. 0",,2009,
"山下 直飛人,須田山 貴亮,田久保 耕,溝川 貴司,豊崎 秀海,福村 知昭,川崎 雅司","21aYK-4 光照射によるTi<sub><1-x>Co</sub>xO_2の電子状態変化(21aYK 磁性半導体,領域4(半導体,メゾスコピック系・局在))",,"日本物理学会講演概要集","一般社団法人 日本物理学会","Vol. 63","No. 0",,2008,
"J. W. Quilty,A. Shibata,J. Y. Son,K. Takubo,T. Mizokawa,H. Toyosaki,T. Fukumura,M. Kawasaki","Signature of carrier-induced ferromagnetism in Ti1-xCoxO2-delta: Exchange interaction between high-spin Co2+ and the Ti 3d conduction band",,"Physical Review Letters",,"Vol. 96","No. 2","pp. 027202",2006,Jan.
"Y. Yamada,T. Fukumura,M. Ikeda,M. Ohtani,H. Toyosaki,A. Ohtomo,F. Matsukura,H. Ohno,M. Kawasaki","Fabrication of ternary phase composition-spread thin film libraries and their high-throughput characterization: Ti<sub>1-x-y</sub>Zr<sub>x</sub>Hf<sub>y</sub>O<sub>2</sub> for bandgap engineering",,"Journal of Superconductivity",,"Vol. 18","No. 1","pp. 109-113",2005,Feb.
"柴田 旭,溝川 貴司,Quilty J.,田久保 耕,豊崎 秀海,福村 知昭,川崎 雅司","12aYC-10 X 線光電子分光による Ti<sub><1-x>Co</sub>xO_2 の電子状態(磁性半導体, 領域 4)",,"日本物理学会講演概要集","一般社団法人 日本物理学会","Vol. 59","No. 0",,2004,