Superconducting properties and structure of vanadium after cryogenic deformation

The effect of low temperature (77 K) deformation by drawing (80%) on the superconducting properties and structure of vanadium is studied. The structural elements (fragment boundaries) responsible for the observed changes of critical parameters are isolated. The electron-phonon coupling constant and...

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Bibliographic Details
Published in:Low temperature physics (Woodbury, N.Y.) N.Y.), 1998-03, Vol.24 (3), p.201-204
Main Authors: Aksenov, V. K., Chernyak, N. A., Volchok, O. I., Mats, A. V., Starodubov, Ya. D.
Format: Article
Language:English
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Summary:The effect of low temperature (77 K) deformation by drawing (80%) on the superconducting properties and structure of vanadium is studied. The structural elements (fragment boundaries) responsible for the observed changes of critical parameters are isolated. The electron-phonon coupling constant and the electron mean free path undergo most significant changes in these regions of rotational deformation localization, which have a high density of defects and are powerful sources of internal stresses. The dislocation density at the fragment boundaries is estimated.
ISSN:1063-777X
1090-6517
DOI:10.1063/1.593571