National Changhua University of Education Institutional Repository : Item 987654321/12434
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题名: Band-Gap Bowing Parameter of the AlxGa1-xN Derived from Theoretical Simulation
作者: Kuo, Yen-Kuang;Lin, Wen-Wei
贡献者: 物理學系
关键词: AlGaN;Band-gap energy;Band-gap bowing parameter;Numerical study
日期: 2002-01
上传时间: 2012-07-19T01:46:26Z
出版者: The Japan Society ofApplied Physics
摘要: The band-gap energy and band-gap bowing parameter of the wurtzite AlGaN alloys are investigated numerically with the CASTEP simulation program. The simulation results suggest that the unstrained band-gap bowing parameter of the wurtzite AlGaN alloys is b = 0.353 ±0.024 eV. The simulation results also show that the width of the AlxGa1-xN top valence band at the Γ point decreases when the aluminum composition increases and has a value of 7.331 eV for the GaN (x=0) and 6.132 eV for the AlN (x=1).
關聯: Japanese Journal of Applied Physics, 41(1): 73-74
显示于类别:[物理學系] 期刊論文

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