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Beta cell device using icosahedral boride compounds

United States Patent

November 12, 2002
View the Complete Patent at the US Patent & Trademark Office
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A beta cell for converting beta-particle energies into electrical energy having a semiconductor junction that incorporates an icosahedral boride compound selected from B.sub.12 As.sub.2, B.sub.12 P.sub.2, elemental boron having an .alpha.-rhombohedral structure, elemental boron having a .beta.-rhombohedral structure, and boron carbides of the chemical formula B.sub.12-x C.sub.3-x, where 0.15<x<1.7, a beta radiation source, and means for transmitting electrical energy to an outside load. The icosahedral boride compound self-heals, resisting degradation from radiation damage.
Aselage; Terrence L. (Cedar Crest, NM), Emin; David (Albuquerque, NM)
09/ 832,278
April 9, 2001
This invention was made with Government support under Contract No. DE-AC04-94AL85000 awarded by the United States Department of Energy. The Government has certain rights in the invention.