Hydrothermal method of synthesis of rare-earth tantalates and niobates

United States Patent

October 16, 2012
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Red-Emitting Phosphors for Solid-State Lighting
A hydrothermal method of synthesis of a family of rare-earth Group 5 oxides, where the Group 5 oxide is a niobate or tantalate. The rare-earth Group 5 oxides can be doped with suitable emitter ions to form nanophosphors.
September 15, 2010
423/263 ; 423/275;
C01G 49/00 (20060101);
The United States Government has rights in this invention pursuant to Department of Energy Contract No. DE-AC04-94AL85000 with Sandia Corporation.