Discovery of a new phase transition in gallium nitride at 22 GPa

X-ray data on the volume-pressure dependence V ( P ) for elementary cells of crystalline GaN are approximated using equations of continuum mechanics. The best approximation of function V ( P ) is obtained by assuming that a previously unknown continuous phase transition occurs at a pressure of 22 GP...

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Bibliographic Details
Published in:Bulletin of the Russian Academy of Sciences. Physics 2014-08, Vol.78 (8), p.773-776
Main Authors: Vereshkov, G. M., Naskalova, O. V.
Format: Article
Language:English
Subjects:
Continuity (mathematics)
Continuum mechanics
Crystal structure
Gallium nitrides
Hadrons
Heavy Ions
Nuclear Physics
Phase transitions
Physics
Physics and Astronomy
Pressure dependence
Proceedings of the International Symposium “Environments with Structural and Magnetic Ordering” Multiferroics 4
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Summary:X-ray data on the volume-pressure dependence V ( P ) for elementary cells of crystalline GaN are approximated using equations of continuum mechanics. The best approximation of function V ( P ) is obtained by assuming that a previously unknown continuous phase transition occurs at a pressure of 22 GPa.
ISSN:1062-8738
1934-9432
DOI:10.3103/S1062873814080401