Publication number: 20060231789
Abstract: Disclosed is a ferromagnetic alkali chalcogen compound capable of providing a completely-spin-polarized transparent ferromagnetic material using an alkali chalcogen compound having light-transparency, and a method of adjusting ferromagnetic properties thereof. The transparent ferromagnetic alkali chalcogenide comprises an alkali chalcogen compound which has an anti-fluorite structure and contains at least one metal element selected from a 3d transition metal element group consisting of Ti, V, Cr, Mn, Fe, Co, Ni and Cu; a 4d transition metal element group consisting of Zr, Nb, Mo, Tc, Ru and Rh; a 5d transition metal element group consisting of Hf, Ta, W, Os, Re and Ir; and a lanthanum-series rare-earth element group consisting of Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu. The selected metal element is incorporated in the alkali chalcogen compound in the form of a solid solution to provide a ferromagnetic characteristic thereto.
Type:
Application
Filed:
March 12, 2004
Publication date:
October 19, 2006
Applicant:
JAPAN SCIENCE AND TECHNOLOGY AGENCY
Inventors:
Hiroshi Yoshida, Masayoshi Seike, Kazunori Sato, Akira Yanase