Method for producing a ferromagnetic chromium oxide

Details Method for producing a ferromagnetic chromium oxide Method for producing a ferromagnetic chromium oxide

1974-07-22

1976-05-11

Cooper, Jack

Compositions

Magnetic

Chromium or chromium compound containing

423607, C01G 3702, C04B 3512

Patent

active

039561518

ABSTRACT:
A method for producing, under a low pressure such as an ambient atmospheric pressure, a ferromagnetic chromium oxide having a sufficiently high saturation magnetization and, if necessary, sufficiently high coercive force as well. The main feature of this method is to use H.sub.2 O.sub.2 in conjunction with CrO.sub.3 and, if necessary, Te, Sb or an alkali element as well and to heat them.

REFERENCES:
patent: 2923685 (1960-02-01), Swoboda
patent: 3243260 (1966-03-01), Kubota et al.
patent: 3278263 (1966-10-01), Cox
patent: 3486851 (1969-12-01), Hicks
patent: 3493338 (1970-02-01), Hicks et al.

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