Mechanisms formation of electron-hole trap centers in LiKSO4 crystall

Nurakhmetov, T.N.; Salikhodzha, Zh.M.; Zhunusbekov, A.M.; Kainarbay, A.Zh.; Daurenbekov, D.H.; Alibay, T.T.; Sadykova, B.M.; Zhangylyssov, K.B.; Yussupbekova, B.N.; Tolekov, D.A.

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Mechanisms formation of electron-hole trap centers in LiKSO4 crystall

Nurakhmetov, T.N.; Salikhodzha, Zh.M.; Zhunusbekov, A.M.; Kainarbay, A.Zh.; Daurenbekov, D.H.; Alibay, T.T.; Sadykova, B.M.; Zhangylyssov, K.B.; Yussupbekova, B.N.; Tolekov, D.A.

URI: http://rep.enu.kz/handle/enu/20558

Date: 2021

Abstract:

The mechanisms of creation of electron-hole trapping centers in LiKSO4 have been investigated by the methods of vacuum and thermal activation spectroscopy. It is shown that electron-hole trapping centers are formed during the trapping of electrons by anionic complexes and localization of a hole in the lattice in the form of the radical SO− 4 . The appearance of phosphorescence at 3.0-3.1 eV, 2.6-2.7 eV and 2.3-2.4 eV confirms the creation of electron-hole trap centers.

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