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|Title:||Empirical pseudopotential study of electronic, positron, and structural properties of Ga1-xAlxN|
|Citation:||Al-Douri, Y. (2004-12-15). Empirical pseudopotential study of electronic, positron, and structural properties of Ga1-xAlxN. Materials Chemistry and Physics 88 (2-3) : 339-347. ScholarBank@NUS Repository. https://doi.org/10.1016/j.matchemphys.2004.07.019|
|Abstract:||Electronic and positron band structures and charge densities of Ga 0.5Al0.5N using the empirical pseudopotential method (EPM) are investigated. For the ternary alloy Ga1-xAlxN, the virtual crystal approximation (VCA) is coupled with the pseudopotential method. The energies along Γ, X and L of Ga1-xAlxN alloy as a function of the mole fraction are calculated. Angular correlation of positron annihilation radiation (ACPAR) along different crystallographic directions in Ga0.5Al0.5N is calculated. Other quantities such as ionicity character and bulk modulus by means of recent models with respect to the mole fraction are discussed. © 2004 Elsevier B.V. All rights reserved.|
|Source Title:||Materials Chemistry and Physics|
|Appears in Collections:||Staff Publications|
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