Polaron Model of Traps and their Activation Energies in KBr Crystals
| Authors | О. Stanovyi, S. Кutovyy, A. Gumenyuk, І. Dmitruk |
| Affiliations | Taras Shevchenko National University of Kyiv, 64/13, Volodymyrska Str., 01601 Kyiv, Ukraine |
| Е-mail | astanovyi@gmail.com |
| Issue | Volume 9, Year 2017, Number 4 |
| Dates | Received 22 May 2017; revised manuscript received 25 July 2017; published online 27 July 2017 |
| Citation | О. Stanovyi, S. Кutovyy, A. Gumenyuk, І. Dmitruk, J. Nano- Electron. Phys. 9 No 4, 04009 (2017) |
| DOI | 10.21272/jnep.9(4).04009 |
| PACS Number(s) | 78.60.Kn |
| Keywords | Thermoluminescence, Traps (2) , Energy spectrum (2) , Alkali halide crystals. |
| Annotation | 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 , with the vibrational quantum energy 0.078 eV (629 cm – 1). Using the generalization of the data on other investigated alkali halides crystals the early-proposed 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 . |
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