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THERMAL NEUTRON DETECTOR AND GAMMA-RAY SPECTROMETER UTILIZING A SINGLE MATERIAL

United States Patent Application

*** PATENT GRANTED ***
20160146953
9,638,813
A1
View the Complete Application at the US Patent & Trademark Office
A combined thermal neutron detector and gamma-ray spectrometer system, including: a detection medium including a lithium chalcopyrite crystal operable for detecting thermal neutrons in a semiconductor mode and gamma-rays in a scintillator mode; and a photodetector coupled to the detection medium also operable for detecting the gamma rays. Optionally, the detection medium includes a .sup.6LiInSe.sub.2 crystal. Optionally, the detection medium comprises a compound formed by the process of: melting a Group III element; adding a Group I element to the melted Group III element at a rate that allows the Group I and Group III elements to react thereby providing a single phase I-III compound; and adding a Group VI element to the single phase I-III compound and heating; wherein the Group I element includes lithium.
Stowe, Ashley (Knoxville, TN), Burger, Arnold (Nashville, TN), Lukosi, Eric (Knoxville, TN)
CONSOLIDATED NUCLEAR SECURITY, LLC (Reston VA), UNIVERSITY OF TENNESSEE RESEARCH FOUNDATION (Knoxville TN), FISK UNIVERSITY (Nashville TN)
14/ 871,162
September 30, 2015
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] The U.S. Government has rights to the present disclosure pursuant to Contract No. DE-NA0001942 between the U.S. Department of Energy and Consolidated Nuclear Security, LLC.