Luminescence of CdSiP2 crystals

Tsezarii A. Kryskov; Vasyl Golonzhka; Antonina A. Gubanova; Ruslan Poveda; Algimantas Sodeika

doi:10.1117/12.306231

20 April 1998 Luminescence of CdSiP₂ crystals

Tsezarii A. Kryskov, Vasyl Golonzhka, Antonina A. Gubanova, Ruslan Poveda, Algimantas Sodeika

Proceedings Volume 3359, Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics 1997; (1998) https://doi.org/10.1117/12.306231
Event: International Conference on Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics, 1997, Kiev, Ukraine

Abstract

Some general features of the behavior of Cu, Zn, Bi, S, Eu and Mn impurities in CdSiP₂ crystals are studied by analyzing photo- and electron beam-excited luminescence spectra measured in a temperature range of 1.4 to 300 K, as well as by determining their electrical parameters. The impurities are established to substitute mainly the cadmium in the crystalline lattice and to promote the formation of complexes of defects, which are radiative recombination centers. Cd vacancies as well participate in the defect complex formation processes. A radiation ascribed to interstitial Cd-type defects, is discovered in CdSiP₂ crystals. From comparison with Raman scattering measurements, the direct band gap was evaluated to be 2.42 eV at 1.4 K.

Citation Download Citation

Tsezarii A. Kryskov, Vasyl Golonzhka, Antonina A. Gubanova, Ruslan Poveda, and Algimantas Sodeika "Luminescence of CdSiP₂ crystals", Proc. SPIE 3359, Optical Diagnostics of Materials and Devices for Opto-, Micro-, and Quantum Electronics 1997, (20 April 1998); https://doi.org/10.1117/12.306231

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