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

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

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.
URI: http://rep.enu.kz/handle/enu/10827
Дата: 2021

Аннотации:

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-SO−4-centers are formed during the trap of electrons by Cu+ -centers and during localization of SO−4 -radicals in the form of localized hole centers.

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