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From measurements of the thermal expansivity and the isothermal compressibility at P = 0 of solid Kr using X-ray diffraction and a dilatometer between 4 and 115 K some vacancy properties could be determined. We found h = (86 ± 9) meV for the formation enthalpy of monovacancies, for the entropy, and for the vacancy free volume of formation atomic volumes. Using these data, the thermal expansion coefficient, the compressibility, the isobaric and isochoric specific heat, the Grüneisen parameter, and the slope of the isochore for hypothetical perfect krypton have been deduced from the values measured in the bulk.
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Korpiun et al. (1971) studied this question.
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