Singlett-triplett splitting of the free A-exciton in ZnO |
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| Authors: | E Tomzig R Helbig |
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| Institution: | Institut für angewandte Physik, 852 Erlangen, Glückstr. 9, Germany |
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| Abstract: | By comparing the absorption and emission spectra (4 K) of ZnO single crystals the positions of the free A-exciton lines in emission can be declared. These transitions for E ⊥ c and E ∥ c were produced by excitons having a parallel or antiparallel spin orientation of the electron and the hole. This fine structure splitting is 0.20 meV. |
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