Thermal conductivity of solid krypton with methane admixture

被引:17
|
作者
Dudkin, VV [1 ]
Gorodilov, BY [1 ]
Krivchikov, AI [1 ]
Manzhelii, VG [1 ]
机构
[1] Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, UA-61164 Kharkov, Ukraine
关键词
D O I
10.1063/1.1312405
中图分类号
O59 [应用物理学];
学科分类号
摘要
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. (C) 2000 American Institute of Physics. [S1063-777X(00)01909-5].
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页码:762 / 766
页数:5
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