Biexcitons in II–VI crystals: New interpretation of emission spectra |
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| Authors: | BS Razbirin IN Ural&#x;tsev GV Mikhailov |
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| Institution: | A.F. Ioffe Physical Technical Institute, USSR Academy of Sciences, Leningrad K-21, USSR |
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| Abstract: | We report detailed magnetooptic studies of the so-called P line in CdS and CdSe crystals at high excitations (103-104 W cm-2). The whole complex of experimental data allows to conclude unambiguously that the P line is connected with transitions from the Γ1 ground state of excitonic molecule to 2P excited state of free exciton. Experimental values of binding energies of biexciton, that is 2.5 meV in CdS and 1.2 meV in CdSe, have been found. |
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