Abstract
Low-temperature (T ∼ 8 K) secondary emission spectra of open Zn0.87Cd0.13Se/ZnSe nanowires were studied comprehensively in the region of the ground excitonic state under tunable laser excitation. The spectra revealed a fine structure produced in the interaction of excitons with optical phonons. The observed resonance exciton-phonon (REP) lines are shown to be formed through two different mechanisms. The strongest component is due to Raman scattering via free excitonic states. The other REP lines are generated in the hot luminescence of localized excitons. The spectrum of the optical phonons involved in the formation of the REP lines in the biaxially strained Zn0.87Cd0.13Se/ZnSe structures was analyzed.
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Translated from Fizika Tverdogo Tela, Vol. 45, No. 7, 2003, pp. 1316–1324.
Original Russian Text Copyright © 2003 by Travnikov, Ka\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l}\)byshev.
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Travnikov, V.V., Kaibyshev, V.K. Resonance exciton-phonon spectra in open ZnCdSe/ZnSe nanowires: Raman scattering and hot luminescence, extended and localized exciton states. Phys. Solid State 45, 1379–1387 (2003). https://doi.org/10.1134/1.1594258
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DOI: https://doi.org/10.1134/1.1594258