Isochoric thermal conductivity of solid nitrogen
DOI:
https://doi.org/10.1063/1.1925369Ключові слова:
PACS: 66.70. f, 63.20.LsАнотація
The isochoric thermal conductivity of solid nitrogen has been investigated on four samples of different densities in the temperature interval from 20 K to the onset of melting. In a-N2 the isochoric thermal conductivity exhibits a dependence weaker than Λµ1/T; in b-N2 it increases slightly with temperature. The experimental results are discussed within a model in which the heat is transported by low-frequency phonons or by «diffusive» modes above the mobility edge. The growth of the thermal conductivity in b-N2 is attributed to the decreasing «rotational» component of the total thermal resistance, which occurs as the rotational correlations between the neighboring molecules become weaker.Завантаження
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2005-03-21
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Konstantinov, V.; Manzhelii, V.; Revyakin, V.; Sagan, V. Isochoric Thermal Conductivity of Solid Nitrogen. Fiz. Nizk. Temp. 2005, 31, 553-557.
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