Patent Number: 6,166,947

Title: Manganese oxide material having MnO.sub.3 as a matrix

Abstract: A manganese oxide material has MnO.sub.3 as a matrix. It is an antiferromagnetic insulator and, when subjected to an electrical current or electric field, it is transformed into a ferromagnetic metal.

Inventors: Asamitsu; Atsushi (Tsukuba, JP), Tomioka; Yasuhide (Tsukuba, JP), Kuwahara; Hideki (Tsukuba, JP), Tokura; Yoshinori (Tokyo, JP)

Assignee: Agency of Industrial Science and Technology Ministry of International Trade & Industry

International Classification: H01F 1/40 (20060101); H01F 1/00 (20060101); G11C 011/00 ()

Expiration Date: 12/26/2017