"Hirofumi Akamatsu,Koji Fujita,Yuko Nakatsuka,Shunsuke Murai,Katsuhisa Tanaka","Magneto-optical properties of Eu2+-containing aluminoborosilicate glasses with ferromagnetic interactions",,"Optical Materials","North-Holland","Vol. 35","No. 11","pp. 1997--2000",2012,Dec.
"Hirofumi Akamatsu,Yu Kumagai,Fumiyasu Oba,Koji Fujita,Katsuhisa Tanaka,Isao Tanaka","Strong Spin-Lattice Coupling Through Oxygen Octahedral Rotation in Divalent Europium Perovskites",,"Advanced Functional Materials","WILEY-VCH Verlag","Vol. 23","No. 15","pp. 1864--1872",2012,Nov.
"Hirofumi Akamatsu,Koji Fujita,Hiroyuki Hayashi,Takahiro Kawamoto,Yu Kumagai,Yanhua Zong,Koji Iwata,Fumiyasu Oba,Isao Tanaka,Katsuhisa Tanaka","Crystal and Electronic Structure and Magnetic Properties of Divalent Europium Perovskite Oxides EuMO3 (M= Ti, Zr, and Hf): Experimental and First-Principles Approaches",,"Inorganic chemistry","American Chemical Society","Vol. 51","No. 8","pp. 4560--4567",2012,Apr.