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Diffraction studies of the high pressure phases of GaAs and GaPHigh pressure structural phase transitions of GaAs and GaP have been studied by energy dispersive X-ray diffraction with the radiation from the Cornell High Energy Synchrotron Source. GaAs began to transform at 172 + or - 7 kbar to an orthorhombic structure possibly belonging to space group Fmmm. GaP transformed to a tetragonal beta-Sn type phase at 215 + or - 8 kbar. Although pressure transmitting media were used to minimize shear stresses in the specimens, the high pressure diffraction results were interpreted as showing evidence for planar defects in the specimens.
Document ID
19820059479
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
External Source(s)
Authors
Baublitz, M., Jr.
(Cornell Univ. Ithaca, NY, United States)
Ruoff, A. L.
(Cornell University Ithaca, NY, United States)
Date Acquired
August 10, 2013
Publication Date
September 1, 1982
Publication Information
Publication: Journal of Applied Physics
Volume: 53
Subject Category
Solid-State Physics
Accession Number
82A43014
Distribution Limits
Public
Copyright
Other

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