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United States Patent Application

View the Complete Application at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
In one embodiment, a method includes forming a powder having a composition with the formula: A.sub.hB.sub.iC.sub.jO.sub.12, where h is 3.+-.l 0%, i is 2=10%, j is 3.+-.10%, A includes one or more rare earth elements, B includes aluminum and/or gallium, and C includes aluminum and/or gallium. The method additionally includes consolidating the powder to form an optically transparent ceramic, and applying at least one thermodynamic process condition during the consolidating to reduce oxygen and/or thermodynamically reversible defects in the ceramic. In another embodiment, a scintillator includes (Gd.sub.3-a-cY.sub.a)x(Ga.sub.5-bAl.sub.b).sub.yO.sub.12D.sub.c, where a is from about 0.05-2, b is from about 1-3, x is from about 2.8-3.2, y is from about 4.8-5.2, c is from about 0.003-0.3, and D is a dopant, and where the scintillator is an optically transparent ceramic scintillator having physical characteristics of being formed from a ceramic powder consolidated in oxidizing atmospheres.
Cherepy, Nerine (Piedmont, CA), Payne, Stephen A. (Castro Valley, CA), Seeley, Zachary (Livermore, CA), Cohen, Peter Carl (Knoxville, TN), Andreaco, Mark S. (Knoxville, TN), Schmand, Matthias J. (Lenoir City, TN)
15/ 064,509
March 8, 2016
[0001] The United States Government has rights in this invention pursuant to Contract No. DE-AC52-07NA27344 between the United States Department of Energy and Lawrence Livermore National Security, LLC for the operation of Lawrence Livermore National Laboratory.