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Pruchkina, A. A.; Krivobok, V. S.; Nikolaev, S. N.; Onishchenko, E. E.; Chentsov, S. I.; Chernopitssky, M. A.; Velikovskiy, N. A.; Anufrienko, O. D.; Skakov, Yu. A.
Journal of Russian laser research, 05/2018, Letnik: 39, Številka: 3Journal Article
Based on the measurements of spectra and polarization of low-temperature (5K) microphotoluminescence excited by stabilized continuous-wave laser pumping, we find a new type of isolated emitters formed due to the dislocations in crystalline CdZnTe. For an emitter of this type, zero-phonon luminescence is located 30–50 meV above the usual dislocation luminescence and is subjected to giant fluctuations of spectral position (~10 meV) and intensity. A noticeable degree of linear polarization in the plane containing directions indicates the strongly anisotropic nature of the corresponding electronic states and confirms their connection with dislocations.
