"Hirofumi Akamatsu,Yanhua Zong,Yosefu Fujiki,Kazuaki Kamiya,Koji Fujita,Shunsuke Murai,Katsuhisa Tanaka","Structural and Magnetic Properties of Thin Films Fabricated via Sputtering Method",,"Magnetics, IEEE Transactions on","IEEE","Vol. 44","No. 11","pp. 2796--2799",2008,Dec. "Hirofumi Akamatsu,Koji Fujita,Shunsuke Murai,Katsuhisa Tanaka","Magneto-optical properties of transparent divalent iron phosphate glasses",,"Applied Physics Letters","American Institute of Physics","Vol. 92","No. 25","p. 251908",2008,June "Hirofumi Akamatsu,Katsuhisa Tanaka,Koji Fujita,Shunsuke Murai","Magnetic phase transitions in Fe2O3-Bi2O3-B2O3 glasses",,"Journal of Physics: Condensed Matter","IOP Publishing","Vol. 20","No. 23","pp. 235216",2008,May "Hirofumi Akamatsu,Shunsuke Murai,Koji Fujita,Katsuhisa Tanaka","Magnetic Properties of Amorphous Fe2O3-R2O3 (R= La, Gd and Tb) Thin Films Fabricated by Sputtering Method",,"Advanced Materials Research",,"Vol. 39",,"pp. 207--212",2008,Apr.