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METHODS OF GROWING SINGLE CRYSTALS USING SOLID-SOLID TRANSFORMATION OF A GLASS

United States Patent Application

20170081777
A1
View the Complete Application at the US Patent & Trademark Office
The present invention includes methods of promoting single crystal growth via solid-solid transformation of an appropriate glass, while avoiding the gaseous or liquid phase. In certain embodiments, in the all-solid-state glass-to-crystal transformation of the invention, extraneous nucleation is avoided relative to crystal growth via spatially localized laser heating and optional inclusion of a suitable glass former in the composition. The ability to fabricate patterned single-crystal architecture on a glass surface was demonstrated, providing a new class of micro-structured substrate for low cost epitaxial growth and active planar devices, for example.
JAIN, HIMANSHU (BETHLEHEM, PA), SAVYTSKYY, DMYTRO (BETHLEHEM, PA), DIEROLF, VOLKMAR (ALLENTOWN, PA)
15/ 272,982
September 22, 2016
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT [0002] This invention was made with government support under grant number DE-SC0005010 awarded by Basic Energy Sciences Division, Department of Energy. The government has certain rights in the invention.