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US 6,887,441 B2Granted
High resistivity aluminum antimonide radiation detector
AssigneeThe Regents of the University of California
InventorsJohn W. Sherohman, Arthur W. Coombs, III, Jick H. Yee
Life of this patent
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Abstract
Bulk Aluminum Antimonide (AlSb)-based single crystal materials have been prepared for use as ambient (room) temperature X-ray and Gamma-ray radiation detection.
Claims4
A material for detecting gamma rays or x-rays comprising:
- an energy band-gap greater than about 1.40 eV, an electron and a hole mobility greater than about 100 cm2/Vs. a free carrier recombination time (τ) greater than about 10−6 s, a resistivity greater than about 107 Ω-cm;
- and at least one of the elements has an atomic number (Z) greater than about 40.
Dependencies are inferred from the claim text.