Semiconductor compound

Details Semiconductor compound Semiconductor compound

1995-05-17

1996-02-13

Skane, Christine

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252 623E, 252 623GA, 252 623R, 252 623S, 252 623T, 252 623ZB, 252 623ZT, 420471, 420500, 423117, 423508, 4235671, 437 5, H01B 100, H01B 102

Patent

active

054909538

ABSTRACT:
Novel compound semiconductors are of the general formula, X.sub.5 YZ.sub.4, wherein X is a member selected from the group consisting of Cu, Ag and mixtures thereof, Y is a member selected from the group consisting of Al, Ga, Tl and mixtures thereof, and Z is a member selected from the group consisting of Se, S, Te and mixtures thereof. Typical of the compound semiconductors are Cu.sub.5 AlSe.sub.4 and Ag.sub.4 AlSe.sub.4. These compound semiconductors are especially useful for making blue to UV light-emitting devices which include n-type and p-type compound semiconductor layers made of the above compound semiconductors.

REFERENCES:
Morita et al. "Formation of a CU-AL-SE Phase With a Long Range Order by Molecular Beam Epitaxy," Jap. J. Appl. Phys. 79, 8, pp. 4379-4381 (1990).

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