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Mechanisms for the creation of intrinsic electron-hole trapping centers in a CaSO4 crystall

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dc.contributor.author Nurakhmetov, T.N.
dc.contributor.author Zhangylyssov, K.B.
dc.contributor.author Zhunusbekov, A.M.
dc.contributor.author Daurenbekov, D.H.
dc.contributor.author Alibay, T.T.
dc.contributor.author Sadykova, B.M.
dc.contributor.author Yussupbekova, B.N.
dc.contributor.author Tolekov, D.A.
dc.date.accessioned 2023-12-05T11:26:38Z
dc.date.available 2023-12-05T11:26:38Z
dc.date.issued 2021
dc.identifier.uri http://rep.enu.kz/handle/enu/10867
dc.description.abstract The mechanism of creation of electron-hole trapping centers in CaSO4 at 15-300 K was investigated by the methods of vacuum-ultraviolet and thermoactivation spectroscopy. It is shown that electron-hole trapping centers are formed upon trap of electrons in the anionic complexes SO2− 4 and localization of holes in the form of SO−4 radical. Based on the measurement of the spectrum of excitation of long-wavelength recombination emission at 3.0-3.1 eV and 2.7 eV, the energy distance of the formed electron-hole trapping centers was estimated (4.43 eV and 3.87 eV). ru
dc.language.iso en ru
dc.relation.ispartofseries Vol.5(3);235-241
dc.subject electron ru
dc.subject hole ru
dc.subject trap centers ru
dc.subject sulfates ru
dc.subject crystals ru
dc.subject luminescence ru
dc.title Mechanisms for the creation of intrinsic electron-hole trapping centers in a CaSO4 crystall ru
dc.type Article ru


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