Controlled initiation chromium dioxide synthesis

Details Controlled initiation chromium dioxide synthesis Controlled initiation chromium dioxide synthesis

1983-12-16

1985-06-18

Cooper, Jack

Compositions

Magnetic

Iron-oxygen compound containing

252 6251, C01G 37027

Patent

active

045240086

ABSTRACT:
Modified chromium dioxide crystals with narrower particle size and more uniform coercivity are produced by adding the modifying agent in an aqueous CrO.sub.3 solution. Antimony, tellurium and iron oxides may be dissolved in a saturated CrO.sub.3 -water solution and added to the reaction mixture paste to yield improved crystals upon synthesis.

REFERENCES:
patent: 3278263 (1966-10-01), Cox
patent: 3600315 (1971-08-01), Haines
patent: 3778373 (1973-12-01), Robbins
Kubota et al., "J. of the Amer. Ceram. Soc.", vol. 46, No. 11, 1963, pp. 550-556.

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