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Barium iodide and strontium iodide crystals and scintillators implementing the same

United States Patent

September 13, 2016
View the Complete Patent at the US Patent & Trademark Office
Lawrence Livermore National Laboratory - Visit the Industrial Partnerships Office Website
In one embodiment, a crystal includes at least one metal halide; and an activator dopant comprising ytterbium. In another general embodiment, a scintillator optic includes: at least one metal halide doped with a plurality of activators, the plurality of activators comprising: a first activator comprising europium, and a second activator comprising ytterbium. In yet another general embodiment, a method for manufacturing a crystal suitable for use in a scintillator includes mixing one or more salts with a source of at least one dopant activator comprising ytterbium; heating the mixture above a melting point of the salt(s); and cooling the heated mixture to a temperature below the melting point of the salts. Additional materials, systems, and methods are presented.
Payne; Stephen A. (Castro Valley, CA), Cherepy; Nerine (Piedmont, CA), Pedrini; Christian (Villeurbanne, FR), Burger; Arnold (Nashville, TN)
Lawrence Livermore National Security, LLC (Livermore, CA), Fisk University (Nashville, TN)
14/ 220,904
March 20, 2014
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.