Binding Energy and Spin-Orbit Splitting of a Hydrogenic Donor Impurity in AlGaN/GaN Triangle-Shaped Potential Quantum Well.
Binding Energy and Spin-Orbit Splitting of a Hydrogenic Donor Impurity in AlGaN/GaN Triangle-Shaped Potential Quantum Well.
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AlGaN/GaN 三角形势量子阱中氢施主杂质的结合能和自旋轨道分裂
DOI:
10.1007/s11671-009-9398-3
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发表时间:
2009-11
影响因子:
--
通讯作者:
Wang ZG
中科院分区:
文献类型:
--
作者:
Wang J;Li SS;Lü YW;Liu XL;Yang SY;Zhu QS;Wang ZG
In the framework of effective-mass envelope function theory, including the effect of Rashba spin-orbit coupling, the binding energyEband spin-orbit split energy Г of the ground state of a hydrogenic donor impurity in AlGaN/GaN triangle-shaped potential heterointerface are calculated. We find that with the electric field of the heterojunction increasing, (1) the effective width of quantum well decreases and (2) the binding energy increases monotonously, and in the mean time, (3) the spin-orbit split energy Г decreases drastically. (4) The maximum of Г is 1.22 meV when the electric field of heterointerface is 1 MV/cm.
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