Modulation,photoluminescence, and Raman spectroscopy of semiconductor heterostructures |
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| Affiliation: | Department of Physics, Semiconductor Photonics Research Center, OSED, Xiamen University, Xiamen, Fujian 361005, People''s Republic of China |
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| Abstract: | Using illustrative examples from the investigations of the author and his collaborators, it is shown that (1) piezo-modulated reflectivity (2) photoluminescence and (3) Raman spectroscopy can be effectively used in the study of collective and localized excitations in semiconductor heterostructures. Results on epilayers of Cd1−xMnxTe:In and ZnSe and quantum well structures of GaAs/AlxGa1−xAs; Cd1−xMnxTe/Cd1−yMnyTe; Cd1−xMnxTe/CdTe; Cd1−xMnxTe:In/CdTe are discussed. |
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