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Alkali metal and alkali earth metal gadolinium halide scintillators

United States Patent

August 2, 2016
View the Complete Patent at the US Patent & Trademark Office
Lawrence Berkeley National Laboratory - Visit the Technology Transfer and Intellectual Property Management Department Website
The present invention provides for a composition comprising an inorganic scintillator comprising a gadolinium halide, optionally cerium-doped, having the formula A.sub.nGdX.sub.m:Ce; wherein A is nothing, an alkali metal, such as Li or Na, or an alkali earth metal, such as Ba; X is F, Br, Cl, or I; n is an integer from 1 to 2; m is an integer from 4 to 7; and the molar percent of cerium is 0% to 100%. The gadolinium halides or alkali earth metal gadolinium halides are scintillators and produce a bright luminescence upon irradiation by a suitable radiation.
Bourret-Courchesne; Edith (Berkeley, CA), Derenzo; Stephen E. (Pinole, CA), Parms; Shameka (Winston-Salem, NC), Porter-Chapman; Yetta D. (Pleasant Hill, CA), Wiggins; Latoria K. (Chestertown, MD)
The Regents of the University of California (Oakland, CA)
12/ 262,132
October 30, 2008
STATEMENT OF GOVERNMENTAL SUPPORT The invention described and claimed herein was made utilizing funds supplied by the U.S. Department of Homeland Security under Grant No. HSHQDC-07-X-00170 and the U.S. Department of Energy under Contract No. DE-AC02-05CH11231. The government has certain rights in this invention.