Abstract
We report here experimental results of low-frequency Raman scattering and photoluminescence of Cd-chalcogenide (CdS and CdSe) microcrystals embedded in a germanium dioxide glass matrix. From the feature of the low-frequency Raman scattering, we discussed the confined acoustic phonon in a microcrystal. We show that the emission from surface defect state located in the lower energy side of the photoluminescence spectra have the anomalous dependence on the temperature.
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Tanaka, A., Onari, S. & Arai, T. Raman scattering and photoluminescence of Cd-chalcogenide microcrystals. Z Phys D - Atoms, Molecules and Clusters 26 (Suppl 1), 222–224 (1993). https://doi.org/10.1007/BF01425671
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DOI: https://doi.org/10.1007/BF01425671