Phase transition and elasticity of gallium arsenide under pressure
Citation
Güler, E., Güler, M. (2014). Phase transition and elasticity of gallium arsenide under pressure. Materials Research, 17(5), 1268-1272.Abstract
Geometry optimization calculations were performed for some structural, elastic and mechanical properties of gallium arsenide (GaAs) under pressures up to 25 GPa. In contrast to previous works, a recent Stillinger-Weber type potential was used for the first time to elaborate the pressure dependence aspects of GaAs. B3B1 phase transition pressure was determined as 17 GPa. Pressure dependence of density, typical cubic elastic constants, bulk, shear, and Young moduli, Poisson ratio, elastic velocities, anisotropy parameter, Kleinman parameter, elastic anisotropy degree, and stability conditions of GaAs were also evaluated. Overall, our results are satisfactory and can be helpful for future investigations of GaAs under pressure. © 2014.
Source
Materials ResearchVolume
17Issue
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