"K. Yamamoto,T. Nakagawa,M. Tada,M. Abe,Y. Takada,Masahito Tokunaga,T.A.Yamamoto","Magnetically Aligned Z-type Ferrites Ba3-xSrxCo2Fe24O41 with High Imaginary Permeability (�ʁh = 45) in GHz Region","52nd Magnetism and Magnetic Materials Conference","52nd Magnetism and Magnetic Materials Conference",,,,,2007,Nov.