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Hydrothermal Synthesis of Bismuth Germanium Oxide

United States Patent Application

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A method for the hydrothermal synthesis of bismuth germanium oxide comprises dissolving a bismuth precursor (e.g., bismuth nitrate pentahydrate) and a germanium precursor (e.g., germanium dioxide) in water and heating the aqueous solution to an elevated reaction temperature for a length of time sufficient to produce the eulytite phase of bismuth germanium oxide (E-BGO) with high yield. The E-BGO produced can be used as a scintillator material. For example, the air stability and radioluminescence response suggest that the E-BGO can be employed for medical applications.
Boyle, Timothy J. (Albuquerque, NM)
Sandia Corporation (Albuquerque NM)
14/ 168,543
January 30, 2014
STATEMENT OF GOVERNMENT INTEREST [0001] This invention was made with Government support under contract no. DE-AC04-94AL85000 awarded by the U. S. Department of Energy to Sandia Corporation. The Government has certain rights in the invention.