THEORETICAL CALCULATION AND EXPERIMENTAL STUDY OF EXCITON ENERGY LEVELS IN ZnSe/ZnS SUPERLATTICES
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TN304.25
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Abstract:
The exciton levels in ZnSe/ZnS superlattice is studied theoretically and experimentally for the first time. The energy levels of electrons, holes and excitens in the superlattice as a function of barrier width are calculated with LCAO theory and Kronig-Penney model. The absorption and photoluminescence spectra of a sample with a barrier width of 5.8nm are measured at 77K. The experiment results are in good agreement with the theoretical calculations.
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LIu YUDONG, SHEN DEZHEN~*,FAN XIWU~*,FAN GUANGHAN~*,LI CHUNFEI. THEORETICAL CALCULATION AND EXPERIMENTAL STUDY OF EXCITON ENERGY LEVELS IN ZnSe/ZnS SUPERLATTICES[J]. Journal of Infrared and Millimeter Waves,1991,10(2):95~100