Energy transfer of intrinsic electronic excitation to impurities in the CaSO4 − Mn crystal


Number 1_Vol.5

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

DOI: 10.32523/ejpfm.2021050104

PAGES: 31 - 38

DATE: 2021-03-25


ABSTRACT

The nature of the impurity emission center and the energy transfer mechanisms from intrinsic electronic excitations to the Mn2+ impurity centers in the CaSO4 − Mn crystal have been investigated. The methods of vacuum ultraviolet, atomic absorption and luminescence spectroscopy are used in a wide temperature range from 5 K to 300 K. The energy transfer of intrinsic electronic excitations to impurity emission centers in CaSO4 − Mn has been detected.


KEYWORDS

electron, hole, trap centers, sulfates, crystals, luminescence.


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