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

Rotational Excitations in Concentrated Solid Kr-CH4 Solutions: Calorimetric Studies 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 ε AT 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. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Low Temperature Physics Springer Journals

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

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References (3)

Publisher
Springer Journals
Copyright
Copyright © 2003 by Plenum Publishing Corporation
Subject
Physics; Condensed Matter Physics; Characterization and Evaluation of Materials; Magnetism, Magnetic Materials
ISSN
0022-2291
eISSN
1573-7357
DOI
10.1023/A:1022463618264
Publisher site
See Article on Publisher Site

Abstract

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 ε AT 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.

Journal

Journal of Low Temperature PhysicsSpringer Journals

Published: Oct 8, 2004

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