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RISS 인기검색어
- 검색키워드
- 저자 : Aliyev Y. I. (검색결과 1 건)
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Azimova S. R.,Abdullayev N. M.,Aliyev Y. I.,Mirzayev M. N.,Skuratov V. A.,Mutali A. K.,Jabarov S. H. 한국물리학회 2020 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.77 No.3
The thermal propeties of a Sb2Te3 sample irradiated with high-energy swift heavy ions has been studied, and the resuits are reported in the presented work. Antimony telluride samples were irradiated with 167-MeV 131Xe ions at intensities of 5.0 × 1012 ion/cm2, 5.0 × 1013 ion/cm2 and 3.83 × 1014 ion/cm2. Stoppind end range of ions in matter (SRIM) analyses were performed on the Sb-Te binary system having a density of 6.50 g/cm3, and the penertration depth of the Xe ions were determined. The thermodynamical kinetics of the Sb2Te3 compound were found to be different in a certain temperature range before and after irradiation with swift heavy ions. The phase transition and the widespread effect in the differential scanning calorimetry (DSC) curve of non-irradiated sample change toward high temperatures in the 140 ≤ T ≤ 600 °C temperature range. The widespread effect and the phase transition in the DSC curves for irradiated samples decreased as a funation of temperature. Hourever, the thermodynamic kinetics were due to a complex mechansim in the 117 ≤ T ≤ 660 °C temperature range under the influenced of swift heavy ions. The value of Wigner enthalpy linearly decreases for non-irradiated and irradiated samples. Recombination kinetics and migration due to the energy levels of defects influencd the kinetics of the thermodynamic functions depending on the temperature. Moreover, the results obtained for the activation energy shown that the dynamics of the mechanism changed from a volumetric to a superficial character.
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