| CdS半导体非线性吸收中的电场作用 |
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| 引用本文： | 熊光楠,徐叙溶,申猛燕,李多禄,戚继发.CdS半导体非线性吸收中的电场作用[J].半导体学报,1991,12(3):172-176. |
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| 作者姓名： | 熊光楠 徐叙溶 申猛燕 李多禄 戚继发 |
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| 作者单位： | 天津理工学院材料物理所 天津300191
(熊光楠，徐叙溶)，中国科学院长春物理所 长春130021
(申猛燕，李多禄)，中国科学院长春物理所 长春130021(戚继发) |
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| 摘 要： | 在CdS的室温光学非线性吸收过程中,再外加直流电场,观察到光学非线性吸收随外场增大而增大,非线性出现的光强阈值随外场增大而减小.通过实验判断这一现象来源于电子激子散射.
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| 关 键 词： | Cds 光学 非线性吸收 电场效应 |
Electric Field Effect on Opticai Non Linear Absorption in Semiconductor |
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| Xiong Guangnan/Tianjin Institute of TechnologyXu Xurong/Tianjin Institute of TechnologyShen Mengyen/Changchun Institute of Physics,Academia SinicaLee Duolu/Changchun Institute of Physics,Academia SinicaQi Jifa/Changchun Institute of Physics,Academia Sinica.Electric Field Effect on Opticai Non Linear Absorption in Semiconductor[J].Chinese Journal of Semiconductors,1991,12(3):172-176. |
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| Authors: | Xiong Guangnan/Tianjin Institute of TechnologyXu Xurong/Tianjin Institute of TechnologyShen Mengyen/Changchun Institute of Physics Academia SinicaLee Duolu/Changchun Institute of Physics Academia SinicaQi Jifa/Changchun Institute of Physics Academia Sinica |
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| Abstract: | An optical nonlinear absorption has been observed in CdS under'an external OC elect-ric field at Room temperature. Nonlinear absorption increases with the increase of the appliedvoltage.The incident light intensity needed for the appearance of nonlinear absorption decre-ases when the applied voltage increases. Theoretical estimation from the view point of ex-citon-electron scattering is in agreement with the experimental results qualitatively. |
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| Keywords: | CdS Optical nonlinearity Electron-exciton scattering Fluorescence spectra Electric field effect |
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