Coexistence of wurtzite GaN with zinc blende and rocksalt studied by x-ray power diffraction and high-resolution transmission electron microscopy
- 15 July 1996
- journal article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 69 (3) , 334-336
- https://doi.org/10.1063/1.118051
Abstract
X‐ray powder diffraction and high‐resolution transmission electron microscopy (HRTEM) have found coexistence of three structures of GaN: wurtzite, zinc blende, and rocksalt in the samples prepared through benzene thermal process at 280–300 °C under pressure about 5 MPa. Previously, GaN with rocksalt structure only appeared at high pressure more than 37 GPa. HRTEM showed that there was a transitional region between the two cubic phases of GaN with zinc blende and rocksalt. X‐ray photoelectron spectra analysis of the sample gave the average composition of Ga0.95N.Keywords
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