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Träfflista för sökning "WFRF:(Soldatov A) srt2:(1990-1994)"

Search: WFRF:(Soldatov A) > (1990-1994)

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  • Soldatov, Alexander, et al. (author)
  • Thermal expansion of solid hydrogens
  • 1992
  • In: Soviet Journal of Low Temperature Physics. - 0360-0335. ; 18:2, s. 116-122
  • Journal article (peer-reviewed)abstract
    • The linear thermal expansion coefficient α of solid deuterium with paramodification content of 2.25% was determined in the temperature interval 1.5-5.6 K. The contributions of the translational vibrations of the lattice αlat and the rotational motion of the molecules αrot to α are separated. The temperature dependence of αlat was determined by the expression αlat =1.475 · 10 - 7 T3+(4.5-7) · 10 - 10 T5. The possibilities of a universal description of the thermal expansion of cryocrystals with a central interaction, including quantum crystals of hydrogen isotopes, are discussed. A theoretical description is proposed and the temperature dependence of αrot is analyzed.
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  • Aleksandrovskii, A. N., et al. (author)
  • Thermal expansion of solid deuterohydrogen at helium temperatures
  • 1990
  • In: Soviet Journal of Low Temperature Physics. - 0360-0335. ; 16:11, s. 784-785
  • Journal article (peer-reviewed)abstract
    • For the first time, the thermal expansion of solid deuterohydrogen (HD) is studied in the temperature range 1.2 to 5 K. The isotopic impurity concentrations are 1.5% H2 and 0.4% D2, the other impurities totalling less than 5 · 10 - 4%. It is shown that the thermal expansion coefficient of solid HD can be described by the expression [proportional]HD(K - 1)=1.38 · 10 - 7 T3 in the investigated temperature range. The isothermal compressibility ξT=(34 ± 6) · 10 - 10 Pa - 1 is predicted on the basis of the experimental results and literature data.
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  • Result 1-6 of 6

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