三元混晶中的表面激子极化激元
首发时间:2007-12-28
摘要:本文研究了三元混晶中的表面激子极化激元。数值计算获得了III-V和II-VI 族混晶AlxGa1-xAs,CdxZn1-xSe和AlxGa1-xN中表面激子极化激元能量作为波矢和混晶组分函数的结果并加以讨论。结果表明,表面激子极化激元对组分的函数依赖关系的非线形性不太明显,这一点不同于其相应的体模。
关键词: 三元混晶, 半导体表面, 激子-极化激元
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Surface exciton-polarions in ternary mixed crystals
Abstract:The surface exciton-polaritons in ternary mixed crystals are investigated. The numerical calculations for several III-V and II-VI compound systems are performed and the polariton frequencies as functions of the wave-vector and the compositions for ternary mixed crystals AlxGa1-xAs, CdxZn1-xSe and AlxGa1-xN as examples are given and discussed. The results show that the dependence of the energies of surface polaritons on the composition of ternary mixed crystals are slightly nonlinear different from the bulk modes.
Keywords: ternary mixed crystals, semiconductor surface, exciton-polarions
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No.1749899765119880****
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