Effects of H and D order on the thermal conductivity of ice phases
作者： R. G. Ross , P. Andersson , G. Bäckström
DOI: 10.1063/1.436309
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摘要: Thermal conductivities (λ) of nine ice phases were determined by the transient hot wire method in a temperature range 100–300 K and under pressures up to 2.2 GPa. Pure D2O as well D2O–H2O mixtures found have values λ close those pure H2O, except phase VIII. For this was be about 9% lower case 1:1 1:3 D2O:H2O. The hydrogen ordered systematically exhibit higher than disordered ones, particular presence VI′ could detected change slope at low T curve ln versus for VI. If results are fitted function λ=CT−n, n fall into two groups. One group with n<1 contains only paraelectric phases, whereas other group, having n, antiferroelectric Ih. latter is exceptional that has negative pressure coefficient. interpreted terms dynamic decoupling hydroge...
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