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1. 大连民族学院 理学院
2. 内蒙古大学 物理系
3. 爱默瑞大学 物理系, 22
收稿:2008-09-10,
修回:1900-1-2,
网络首发:2009-06-30,
纸质出版:2009-06-30
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吴云峰, 梁希侠, Bajaj K K. 外电场下极性量子阱中杂质态结合能[J]. 发光学报, 2009,30(3):285-292.
WU Yun-feng, LIANG Xi-xia, Bajaj K K. Binding Energies of Impurity States in Polar Quantum Well Structures in an External Electric Field[J]. Chinese Journal of Luminescence, 2009, 30(3): 285-292.
我们用变分方法研究了外电场下量子阱中的杂质态结合能
计算中既考虑了电子同体纵光学声子和界面光学声子的相互作用又考虑了杂质中心同体纵光学声子和界面光学声子的相互作用。我们以GaAs/Al
0.3
Ga
0.7
As量子阱为例
讨论了结合能随杂质位置、阱宽和电场强度的变化规律。得到了电子-声子相互作用对杂质态结合能和斯塔克效应的修正是相当明显的。
paper
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