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1. 内蒙古大学 物理科学与技术学院
2. 内蒙古农业大学 理学院
收稿:2010-07-05,
修回:2010-9-25,
纸质出版:2011
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张文强, 闫祖威. 纤锌矿GaN/Al<sub><em>x</em></sub>Ga<sub>1-<em>x</em></sub>N应变柱形量子点中杂质态结合能及其压力效应[J]. 发光学报, 2011,32(2): 115-121
ZHANG Wen-qiang, YAN Zu-wei. Binding Energies of Impurity States in a Strained Wurtzite GaN/Al<sub><em>x</em></sub>Ga<sub>1-<em>x</em></sub>N Cylindrical Quantum Dot Influenced by Hydrostatic Pressure[J]. Chinese Journal of Luminescence, 2011,32(2): 115-121
张文强, 闫祖威. 纤锌矿GaN/Al<sub><em>x</em></sub>Ga<sub>1-<em>x</em></sub>N应变柱形量子点中杂质态结合能及其压力效应[J]. 发光学报, 2011,32(2): 115-121 DOI:
ZHANG Wen-qiang, YAN Zu-wei. Binding Energies of Impurity States in a Strained Wurtzite GaN/Al<sub><em>x</em></sub>Ga<sub>1-<em>x</em></sub>N Cylindrical Quantum Dot Influenced by Hydrostatic Pressure[J]. Chinese Journal of Luminescence, 2011,32(2): 115-121 DOI:
考虑应变及流体静压力
在有效质量近似下
利用变分法计算了无限高 GaN/Al
x
Ga
1-
x
N应变柱形量子点中类氢杂质结合能。结果表明
在量子点尺寸较小情况下
应变增加了杂质态结合能;而在量子点尺寸较大情况下
应变降低了杂质态结合能。随着Al摩尔分数的增加
杂质态结合能减小。杂质态结合能随着流体静压力的增加而增大
在量子点尺寸较小的情况下
流体静压力对杂质态结合能的影响更明显。
paper
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