Chromatic polarization in solid parahydrogen with an argon impurity at an extremely low concentration
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- Zholonko, N.N. Phys. Solid State (2011) 53: 138. doi:10.1134/S1063783411010379
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The effect of chromatic polarization observed in samples prepared for studying thermal conductivity of weak solid solutions (p-H2)1 − xArx has been described. Bulk cylindrical samples have been grown in a molybdenum glass ampule through desublimation followed by control of their quality in polarized light. In contrast to weak solid solutions (p-H2)1 − xNex with a heavy quasi-isotopic neon impurity, the samples with argon at the same concentrations (several parts per million) exhibit inclined chromatic bands due to elastic mechanical stresses induced after cooling to liquid-helium temperature.