THERMAL-CONDUCTIVITY OF OVERSATURATED SOLID-SOLUTIONS OF PARAHYDROGENWITH INERT-GASES NE AND AR

The thermal conductivity of solid mixtures of Ne in pH(2) and Ar in pH (2) is investigated at Ne concentrations 1 . 10(-3) divided by 1.3 . 1 0(-2) and Ar concentrations 1 divided by 10 ppm in the temperature ran ge 1.5 divided by 8 K. Oversaturated solutions are obtained by condens ation of the gaseous mixture directly into a solid phase. Maximum solu bilities of Ne (1 . 10(-4)) and Ar (5 ppm) in pH(2) are estimated. The rmal conductivity of the oversaturated solutions increases as the Ne o r Ar concentration in the mixture increases. Thermal conductivity of t he mixture H-2-Ne decreases after mixture annealing or remelting. A qu alitative explanation of the observed peculiarities is proposed.