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
来源：
LOW TEMPERATURE PHYSICS | 2000年 / 26卷 / 9-10期
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].
引用
收藏
页码：762 / 766
页数：5
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