Luminescence and gain spectroscopy of disordered CdS1−x Se x under high excitation |
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| Authors: | Majumder F A Shevel S Lyssenko V G Swoboda H E Klingshirn C |
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| Institution: | (1) Physikalisches Institut der Universität Frankfurt, Robert-Mayer-Strasse 2-4, D-6000 Frankfurt am Main 1, Federal Republic of Germany;(2) Present address: Institute of Physics of the Academy of Sciences of the Ukrainian SSR, Prospect Nauki 144, SU-252650 Kiev 28, USSR;(3) Present address: Institute of Problems of Microelectronics Technology, Academy of Sciences of the USSR, SU-142432 Chernogolovka, USSR |
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| Abstract: | The absorption-, reflection-, and luminescence spectra of CdS1–x
Se
x
are measured under low excitation. The luminescence under high excitation is also observed. For the first time, the gain spectra of disordered crystals are investigated with the excite- and probebeam technique to get a better understanding of the high density electron-hole pair system in this type of materials. We compare the results with those obtained in pure CdS and CdSe. |
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