Melting and Evaporation of Monolayer H2-D2 Mixtures Adsorbed on D2-Plated Graphite

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作者
Lawrence J. Bovie
Oscar E. Vilches
机构
[1] U. of Washington,Department of Physics
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Evaporation; Graphite; Heat Capacity; Fractionation; Magnetic Material;
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摘要
We report heat capacity measurements on second layer mixtures of H2-D2adsorbed on exfoliated graphite plated with one monolayer of D2, for 3K<T<15K, 2nd layer coverages between 0.3 and 0.44 layers, and x, the D2concentration, between 0 and 1, across the three-phase melting region (Tm) and the two-phase liquid-vapor coexistence region through its high temperature boundary (Te). Deviations from a linear dependence of Tmand Teon x have been found. An estimate of the degree of fractionation is presented.
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页码:621 / 626
页数:5
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