The present paper describes the results of the first experiments on the study of thermophysical characteristics of the impurity-helium solid phase {IHSP} which is formed upon condensation in superfluid helium of а gas-phase helium stream containing the impurity studied. The results oЪtained made it possiЪle to evaluate the thermal diffusivity, thermal conductivity and heat capacity of samples of the neon IHSP in а temperature range of 2.2-3 К. It appeared that the values obtained are close Ьу an order of magnitude, to those oЪtained for liquid helium Hel.
Department of Low-Temperature Physics
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