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Studies of Photoreflectance in Cd1-x MnxTe/Cd1-yMnyTe Superlattices

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Abstract

Photoreflectance spectroscopy has been peformed on a series of Cd1-xMnxTe/Cd1-yMnyTe superlattices. Samples were grown on (001) GaAs substrates by molecular-beam epitaxy with different barriers (x=0.3 to 0.8) and wells (y=0 to 0.01). After taking into consideration the strain-induced and quantum confinement effects, the exciton transition energies of the heavy and light holes can be determined using envelope-function calculations. The calculations are in good agreement with the photoreflectance measurement results. These results show that photoreflectance is a powerful probe for the study of quantized state structures in superlattices.

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Authors and Affiliations

  1. Department of Physics, Peking University, Beijing, 100871, People’s Republic of China

    Chenjia Chen, Xuezhong Wang, Haitao Li, Xiaogan Liang & Guangyu Chai

  2. Surface Physics Laboratory, Fudan University, Shanghai, 200433, People’s Republic of China

    Zheng Ning & Xun Wang

Authors
  1. Chenjia Chen
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  2. Xuezhong Wang
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  3. Haitao Li
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  4. Xiaogan Liang
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  5. Guangyu Chai
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  6. Zheng Ning
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  7. Xun Wang
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Chen, C., Wang, X., Li, H. et al. Studies of Photoreflectance in Cd1-x MnxTe/Cd1-yMnyTe Superlattices. MRS Online Proceedings Library 588, 251 (1999). https://doi.org/10.1557/PROC-588-251

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  • DOI: https://doi.org/10.1557/PROC-588-251

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