Article ID Journal Published Year Pages File Type
10653406 Solid State Communications 2005 4 Pages PDF
Abstract
The phase transformation of GaN under high pressure is theoretically studied in the KS-DFT framework using the EXX method. Both KLI and LDA pseudopotentials were tried. The LDA-PP result for the transition pressure is 41.7 GPa while that of the KLI-PP is 41.5 GPa. Both results are in a very good agreement with the latest experimental value of 42 GPa. The effect of the nonlinear core correction is found to be small but not negligible.
Related Topics
Physical Sciences and Engineering Materials Science Materials Science (General)
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