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Thermal expansion o...
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Soldatov, Alexander
(author)
Thermal expansion of solid hydrogens
- Article/chapterEnglish1992
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LIBRIS-ID:oai:DiVA.org:ltu-12637
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https://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-12637URI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Upprättat; 1992; 20070423 (ysko)
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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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Aleksandrovski, A. N.
(author)
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Manzheli, V. G.
(author)
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Ralei, V.V.
(author)
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Strzhemechny, M. A.
(author)
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In:Soviet Journal of Low Temperature Physics18:2, s. 116-1220360-0335
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