Cathodoluminescence and X-Ray Luminescence of ZnIn2S4 and CdGa2S4 Single Crystals
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2022-01-16 17:51
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ARAMĂ, Efim, PÎNTEA, Valentina, SHEMYAKOVA, Tatiana. Cathodoluminescence and X-Ray Luminescence of ZnIn2S4 and CdGa2S4 Single Crystals. In: Nanotechnologies and Biomedical Engineering, Ed. 5, 3-5 noiembrie 2021, Chişinău. Chişinău: Pontos, 2021, Ediția 5, p. 97. ISBN 978-9975-72-592-7.
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Nanotechnologies and Biomedical Engineering
Ediția 5, 2021
Conferința "Nanotechnologies and Biomedical Engineering"
5, Chişinău, Moldova, 3-5 noiembrie 2021

Cathodoluminescence and X-Ray Luminescence of ZnIn2S4 and CdGa2S4 Single Crystals


Pag. 97-97

Aramă Efim1, Pîntea Valentina2, Shemyakova Tatiana3
 
1 ”Nicolae Testemițanu” State University of Medicine and Pharmacy,
2 Technical University of Moldova,
3 Institute of Applied Physics
 
Disponibil în IBN: 18 noiembrie 2021


Rezumat

Zinc thioindate and gallium thiogallate single crystals were grown by a chemical vapor transport method. The cathodoluminescence and X-ray luminescence spectra of ZnIn2S4 and CdGa2S4 single crystals were studied. From cathodoluminescence spectra of ZnIn2S4 at low temperatures the forbidden gap width of (2.96 ± 0.02) eV at 80 K and optical depth of the deep acceptor level EA = (EV + 0.30) eV were determined. In the X-ray luminescence spectra of CdGa2S4 a single emission band is observed with an energy maximum at 2.14 eV and a slope within the high-energy range at approximately 2.34 eV identified as optical transitions of donor-acceptor type.