Effect of an orientational phase transformation on low-temperature creep in n-H2

The low-temperature stationary creep of solid normal hydrogen grown in a polycrystalline form is investigated. The experimental temperature range 1.4–4.2 K includes the temperature Tc of the phase transformation of n-H2. It is found that as the temperature of n-H2 decreases to Tc the stationary cree...

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Bibliographic Details
Published in:Low temperature physics (Woodbury, N.Y.) N.Y.), 2003, Vol.27 (11), p.949-951
Main Authors: Alekseeva, L. A., Stetsenko, Yu. E., Butenko, Yu. V., Solodovnik, A. A.
Format: Article
Language:English
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Summary:The low-temperature stationary creep of solid normal hydrogen grown in a polycrystalline form is investigated. The experimental temperature range 1.4–4.2 K includes the temperature Tc of the phase transformation of n-H2. It is found that as the temperature of n-H2 decreases to Tc the stationary creep rate of the samples abruptly decreases. This which could be due to stiffening of the n-H2 lattice as a result of orientational ordering of the orthomolecules.
ISSN:1063-777X
1090-6517
DOI:10.1063/1.1421461