Method of modifying electrical properties of rare-earth chromite

Details Method of modifying electrical properties of rare-earth chromite Method of modifying electrical properties of rare-earth chromite

1978-03-13

1979-05-29

Padgett, Benjamin R.

Compositions

Electrically conductive or emissive compositions

Metal compound containing

423 21, 423263, 106 732, H01B 108

Patent

active

041566610

ABSTRACT:
A method of decreasing the electrical resistivity of a rare-earth chromite material by substituting bivalent metal ions for some of the chromium or rare-earth ions therein. The method includes applying a solution containing the bivalent metal ions to the rare-earth chromite under vacuum conditions, drying the solution on the chromite, and diffusing the bivalent metal ion into the rare-earth chromite by firing the chromite in a controlled atmosphere.

REFERENCES:
patent: 3610888 (1971-10-01), Button
patent: 3630968 (1971-12-01), Hamano et al.
patent: 3974108 (1976-08-01), Staut et al.
patent: 4045375 (1977-08-01), Komatu

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