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題名: First-principles Calculation for Bowing Parameter of Wurtzite InxGa1-xN
作者: Liou, Bo-Ting;Lin, Cheng-Yang;Yen, Sheng-Horng;Kuo, Yen-Kuang
貢獻者: 物理學系
關鍵詞: Energy band structure;Bowing parameter;III–V semiconductors
日期: 2005-05
上傳時間: 2012-07-19T01:47:15Z
出版者: Elsevier
摘要: 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.
關聯: Optics Communications, 249(1-3): 217-223
顯示於類別:[物理學系] 期刊論文


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