Rotational Excitations in Concentrated Solid Kr-CH4 Solutions: Calorimetric Studies

被引:0
|
作者
M. I. Bagatskii
V. G. Manzhelii
I. Ya. Minchina
D. A. Mashchenko
I. A. Gospodarev
机构
[1] Verkin Institute for Low Temperature Physics and Engineering,
[2] National Academy of Sciences of Ukraine,undefined
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Heat Capacity; Magnetic Material; Concentrate Solid; Nuclear Spin; Calorimetric Study;
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摘要
The heat capacity of solid Kr-CH4 solutions with 30 and 60 mol.% CH4 has been studied at 0.8–20 K. The contribution of the rotational subsystem Crot to the heat capacity of the solutions is separated. The results obtained in this study and Ref. 4 were used to estimate the difference between the lowest-level energies εAT of the nuclear spin A and T modifications of CH4 and to find the characteristic conversion times τ for the solutions with 5–60 mol.% CH4 at low temperatures.
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页码:459 / 475
页数:16
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