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- Title
Upper critical field of cellular magnesium diboride.
- Authors
Grinenko, V.
- Abstract
A cellular superconducting material consisting of thin (1–20 μm) MgB2− x layers and magnesium granules of about 100 μm has been produced. The critical temperature T c of this superconductor decreases with the thickness of the MgB2− x layers. In unalloyed magnesium diboride, the curvature of the temperature dependence of the upper critical field H c2( T) changes gradually from downward to pronounced upward as the temperature T c decreases from 38 to 36 K.
- Subjects
SUPERCONDUCTORS; ELECTRONIC materials; MAGNESIUM diboride; TEMPERATURE; CRYSTAL lattices; LATTICE theory
- Publication
JETP Letters, 2007, Vol 85, Issue 12, p622
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/S0021364007120077