Intrinsic emission and electron-hole trapping centers in crystals Li2SO4-Cu

Intrinsic emission and electron-hole trapping centers in crystals Li2SO4-Cu

In the present work, the emission and excitation spectra in Li2SO4-Cu crystals have been obtained by the methods of vacuum-ultraviolet and thermoactivation spectroscopy. We have studied the nature of emission from a pressed and annealed sample of Li2SO4-Cu powders. It has been revealed that at low t...

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Veröffentlicht in:Eurasian journal of physics and functional materials 2021-06, Vol.5 (2), p.140-147
Hauptverfasser: Nurakhmetov, T.N., Salikhodzha, Zh.M., Dolomatov, M.Y., Yussupbekova, B.N., Zhunusbekov, A.M., Kainarbay, A.Zh, Daurenbekov, D.H., Sadykova, B.M., Zhangylyssov, K.B., Alibay, T.T., Tolekov, D.A.
Format: Artikel
Sprache:eng
Schlagworte:
crystals
electron
hole
luminescence
sulfates
trap centers
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Zusammenfassung:In the present work, the emission and excitation spectra in Li2SO4-Cu crystals have been obtained by the methods of vacuum-ultraviolet and thermoactivation spectroscopy. We have studied the nature of emission from a pressed and annealed sample of Li2SO4-Cu powders. It has been revealed that at low temperatures Cu0-SO4--centers are formed during the trap of electrons by Cu+-centers and during localization of SO4--radicals in the form of localized hole centers.
ISSN:2522-9869
2616-8537
DOI:10.32523/ejpfm.2021050207