Thermal expansion of solid parahydrogen
I. N. KrupskiĩPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR , Khar’kovA. I. ProkhvatilovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR , Khar’kovG. N. ShcherbakovPhysicotechnical Institute of Low Temperatures, Academy of Sciences of the Ukrainian SSR , Khar’kov
ABI
Аннотация
X-ray data on parahydrogen crystals are presented for the temperature range from 2 °K to the melting point. The temperature dependences of the lattice parameters, molar volume, linear and bulk expansion coefficients are determined. It is shown that the thermal expansion of solid p-H2, has an essentially anisotropic nature. A number of thermodynamic crystal properties are analyzed on the basis of the data obtained.
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