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Title Polaron Model of Traps and their Activation Energies in KBr Crystals
Authors Stanovyi, О.
Кutovyy, S.
Gumenyuk, A.
Dmitruk, І.
Keywords Thermoluminescence
Traps
Energy spectrum
Alkali halide crystals
Type Article
Date of Issue 2017
URI http://essuir.sumdu.edu.ua/handle/123456789/65938
Publisher Sumy State University
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Citation Polaron Model of Traps and their Activation Energies in KBr Crystals [Текст] / О. Stanovyi, S. Кutovyy, A. Gumenyuk, І. Dmitruk // Журнал нано- та електронної фізики. – 2017. – Т.9, № 4. – 04009. – DOI: 10.21272/jnep.9(4).04009.
Abstract The activation energy spectrum of traps in KBr crystals has been studied by the thermoluminescence (TL) methods in the temperature range of 80-450 К. The energies of thermal activation of traps in KBr were found to form an oscillator-like series E = ωn, with the vibrational quantum energy 0.078 eV (629 cmˉ1). Using the generalization of the data on other investigated alkali halides crystals the earlyproposed model of the TL in alkali halides based upon two-stage recombination of the H-centers was confirmed. The energy of the quantum in oscillator regularity corresponds to the local vibration mode of the halide molecule X2ˉ.
Appears in Collections: Журнал нано- та електронної фізики (Journal of nano- and electronic physics)

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