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Electron-hole trapping centers in Na2SO4 with a transition metal impurity Mn

https://doi.org/10.32523/ejpfm.2023070102

Abstract

The Na2SO4 samples were obtained by slow evaporation method. The mechanisms of the formation of electron and hole trapping centers are investigated by spectroscopic methods. Intrinsic recombination emission of 2.9–3.1 eV and impurity emission of 1.85 eV are excited at 4.0–4.5 eV. Intrinsic SO3−4−SO4 and impurity Mn+ − SO4 trapping centers were revealed. The local levels corresponding between the electron and hole trapping center are 4.0–4.5 eV. The decay of intrinsic and impurity trapping centers was recorded at temperatures of 130–150 K and 280–350 K.

About the Authors

T.N. Nurakhmetov
L.N. Gumilyov Eurasian National University
Kazakhstan

Astana



T.T. Alibay
L.N. Gumilyov Eurasian National University
Kazakhstan

Astana



S. Pazylbek
Tashenov University
Russian Federation

Shymkent



A.M. Zhunusbekov
L.N. Gumilyov Eurasian National University
Kazakhstan

Astana



B.M. Sadykova
L.N. Gumilyov Eurasian National University
Kazakhstan

Astana



D.A. Tolekov
L.N. Gumilyov Eurasian National University
Kazakhstan

Astana



R.K. Shamieva
L.N. Gumilyov Eurasian National University
Kazakhstan

Astana



A.S. Nurpeissov
L.N. Gumilyov Eurasian National University
Kazakhstan

Astana



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Review

For citations:


Nurakhmetov T., Alibay T., Pazylbek S., Zhunusbekov A., Sadykova B., Tolekov D., Shamieva R., Nurpeissov A. Electron-hole trapping centers in Na2SO4 with a transition metal impurity Mn. Eurasian Journal of Physics and Functional Materials. 2023;7(1):38-44. https://doi.org/10.32523/ejpfm.2023070102

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ISSN 2522-9869 (Print)
ISSN 2616-8537 (Online)