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Title: First-principles Calculation for Bowing Parameter of Wurtzite InxGa1-xN
Authors: Liou, Bo-Ting;Lin, Cheng-Yang;Yen, Sheng-Horng;Kuo, Yen-Kuang
Contributors: 物理學系
Keywords: Energy band structure;Bowing parameter;III–V semiconductors
Date: 2005-05
Issue Date: 2012-07-19T01:47:15Z
Publisher: Elsevier
Abstract: Numerical simulation based on first-principles calculation is applied to study the structural characteristics and band-energy properties of wurtzite InxGa1 − xN. The lattice constants a and c apparently deviate from the Vegard’s law. The deviation parameter is 0.047 ± 0.011 Å for the a lattice constant, and −0.117 ± 0.026 Å for the c lattice constant. A band gap energy bowing parameter of 1.782 ± 0.076 eV is obtained with the equilibrium lattice constants, and 1.916 ± 0.068 eV is obtained with the lattice constants derived from the Vegard’s law.
Relation: Optics Communications, 249(1-3): 217-223
Appears in Collections:[Department of Physics] Periodical Articles

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