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http://ir.ncue.edu.tw/ir/handle/987654321/12434
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Title: | Band-Gap Bowing Parameter of the AlxGa1-xN Derived from Theoretical Simulation |
Authors: | Kuo, Yen-Kuang;Lin, Wen-Wei |
Contributors: | 物理學系 |
Keywords: | AlGaN;Band-gap energy;Band-gap bowing parameter;Numerical study |
Date: | 2002-01
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Issue Date: | 2012-07-19T01:46:26Z
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Publisher: | The Japan Society ofApplied Physics |
Abstract: | 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). |
Relation: | Japanese Journal of Applied Physics, 41(1): 73-74 |
Appears in Collections: | [物理學系] 期刊論文
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