Abstract
The thermal conductivity of a sample of solid HD containing fixed H2 and D2 isotopic impurities has been measured over a period of 271 hr in the temperature range 4–0.2°K. During this time a substantial number of o-H2 impurities convert to p-H2, enabling one to determine in the same crystal the o-H2 dependence of the thermal conductivity. The o-H2 dependence is compared to the theory of Ebner and Sung1 and found to give reasonable agreement for temperatures above 0.6°K. Isotopic scattering was found to dominate the high-temperature data. The low-temperature results were characteristic of boundary scattering, from which it was inferred that the sample was polycrystalline.
Work supported in part by the National Science Foundation under grant No. GH-33011X.
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References
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© 1974 Plenum Press, New York
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Constable, J.H., Gaines, J.R. (1974). Thermal Conductivity of Solid HD Containing Isotopic Impurities. In: Timmerhaus, K.D., O’Sullivan, W.J., Hammel, E.F. (eds) Low Temperature Physics-LT 13. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-4520-6_38
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DOI: https://doi.org/10.1007/978-1-4613-4520-6_38
Publisher Name: Springer, Boston, MA
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