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Thermal properties
Mechanisms of heat transfer and temperature dependence of the thermal resistance of CaLa$_{2}$S$_{4}$ crystals
S. M. Lugueva, N. V. Luguevaa, T. Luguyevab a Daghestan Institute of Physics after Amirkhanov, Makhachkala, Russia
b Daghestan State University, Makhachkala
Abstract:
The results of the study of the temperature dependence of the thermal resistance of CaLa$_{2}$S$_{4}$ crystals in the temperature range of 80–450 K according to the measurement of their thermal conductivity are presented. The mechanisms of heat transfer in samples with different technological background are established. The causes that determine the magnitude and characteristics of the temperature dependence of the thermal resistance of CaLa$_{2}$S$_{4}$ crystals in the region and above the Debye temperature are revealed.
Keywords:
thermal conductivity, thermal resistance, phonons, defects, photons.
Received: 04.06.2019 Revised: 14.08.2019 Accepted: 14.08.2019
Citation:
S. M. Luguev, N. V. Lugueva, T. Luguyev, “Mechanisms of heat transfer and temperature dependence of the thermal resistance of CaLa$_{2}$S$_{4}$ crystals”, Fizika Tverdogo Tela, 62:1 (2020), 186–190; Phys. Solid State, 62:1 (2020), 230–234
Linking options:
https://www.mathnet.ru/eng/ftt8542 https://www.mathnet.ru/eng/ftt/v62/i1/p186
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Abstract page: | 58 | Full-text PDF : | 32 |
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