Specific heat and thermal conductivity of superionic conductors in the superionic phase
Ali E. AlievThermal Physics Branch of the Academy of Sciences of Uzbekistan, 700135, Tashkent, UzbekistanV. F. KrivorotovThermal Physics Branch of the Academy of Sciences of Uzbekistan, 700135, Tashkent, UzbekistanP. K. KhabibullaevThermal Physics Branch of the Academy of Sciences of Uzbekistan, 700135, Tashkent, Uzbekistan
ABI
Аннотация
The temperature dependences of the specific heat and the thermal conductivity of crystalline superionic conductors LnF3 (Ln = La, Ce, Pr), Li2B4O7 and α-LiIO3 in the superionic phase have been investigated experimentally. The specific heat C p and the thermal conductivity K are observed to increase monotonically over a wide range of temperatures above the Debye temperature ΘD. This increase is attributed to the relaxational interaction of high-frequency phonons with two-level systems.
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