Thermal conductivity of solid krypton with methane admixture

Thermal conductivity of solid krypton with methane admixture

Dudkin, V.V. ; Gorodilov, B.Ya. ; Krivchikov, A.I. ; Manzhelii, V.G.

Тема: Low-Temperature Physics and Chemistry in Cryomatrice

Інший ID: PACS: 66.70.+f

URI: http://dspace.nbuv.gov.ua/handle/123456789/129225

Посилання: Thermal conductivity of solid krypton with methane admixture / V.V. Dudkin, B.Ya. Gorodilov, A.I. Krivchikov, V.G. Manzhelii // Физика низких температур. — 2000. — Т. 26, № 9-10. — С. 1023-1028. — Бібліогр.: 22 назв. — англ.

Дата: 2000

Завантажень: 608

Thermal conductivity of solid krypton with methane admixture

Анотація:

The thermal conductivity of CH₄–Kr solid solutions is investigated at CH₄ concentrations 0.2–5.0% in the temperature range 1.8–40 K. It is found that the temperature dependence of the thermal conductivity has features typical of resonance phonon scattering. The analysis of the experimental results shows that the main contribution to the impurity-caused scattering of phonons is made by the scattering on rotational excitations of the nuclear spin T-species of CH₄ molecules. The phonon–rotation interaction parameter is estimated.

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