Free exciton emission in forward-biased CdS MIS diodes |
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| Authors: | XW Fan J Woods |
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| Institution: | Department of Applied Physics and Electronics, University of Durham, South Road, Durham, DHl 3LE, UK |
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| Abstract: | The radiative decay of free excitons with the emission of 0, 1, or 2LO phonons has been observed in electroluminescence in Cds MIS diodes operated in forward bias at temperatures in the range 40 – 77K. The line shapes and temperature dependence of the ILO and 2LO phonon assisted replicas are discussed in terms of the distribution of kinetic energy of the excitons with an effective temperature equal to that of the lattice. |
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