Sulfide alloys that exhibit thermal bistability

Details Sulfide alloys that exhibit thermal bistability Sulfide alloys that exhibit thermal bistability

1993-04-26

1994-07-19

Roy, Upendra

Alloys or metallic compositions

Alkaline earth metal base

420564, 420579, 423511, C01F 1700, B22F 900

Patent

active

053307089

ABSTRACT:
A new ternary sulfide alloy exhibits a metal-semiconductor phase transition with hysteresis as a function of temperature. One embodiment of the bistable material includes barium, cobalt, nickel and sulfur in amounts in accordance with the formula Ba(Co.sub.1-x Ni.sub.x)S.sub.2-y, and x is between 0 and 1 and y varies from 0 to 2.

REFERENCES:
patent: 2770528 (1956-11-01), Maynard
patent: 3801702 (1974-04-01), Donohue
patent: 3940472 (1976-02-01), Donohue
patent: 4237201 (1980-12-01), Rouxel et al.
patent: 4461750 (1984-07-01), Chess et al.
patent: 4728682 (1988-03-01), Covino et al.
patent: 4946501 (1990-08-01), Nate et al.

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