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- Title
Characteristic features of vortex depinning in a layered superconductor.
- Authors
Zavaritskiı, V. N.
- Abstract
The field H[sup *](T) for the onset of dissipation is estimated self-consistently from the results of an investigation of the transverse resistance and current–voltage characteristics of a Bi[sub 2]Sr[sub 2]CaCu[sub 2]O[sub 8] (BSCCO-2212) single crystal in a mixed state. It is established that H[sup *] is close to H[sub c1] in the interval T[sub c]/2≲T≲T[sub c]. Rapid growth of H[sup *](T), accompanied by a transformation of the current–voltage characteristics, as the temperature decreases below approx. 40 K attests to the formation of a nonvanishing region of stability of an ordered state of the vortex system, possibly as a result of a change in the effective dimensionality of the fluxoid. © 1997 American Institute of Physics.
- Subjects
COPPER oxide superconductors; HIGH temperature superconductors; BISMUTH compounds; VORTEX motion
- Publication
JETP Letters, 1997, Vol 65, Issue 8, p663
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.567403