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- Title
Size effect in the resistance of narrow superconducting BSCCO (2212) whiskers near the Berezinskiı–Kosterlitz–Thouless transition.
- Authors
Gorlova, I. G.; Zybtsev, S. G.; Nikitina, A. M.; Pokrovskiı, V. Ya.; Timofeev, V. N.; Aukkaravittayapun, S.
- Abstract
The temperature dependence of the resistance and the current–voltage characteristics are measured for Bi[sub 2]Sr[sub 2]CaCu[sub 2]O[sub x] whiskers of different width, including whiskers possessing a width step. As the width decreases, the resistivity of the whiskers below the Berezinskiı–Kosterlitz–Thouless transition temperature increases, while above the transition it decreases. This effect is explained by two-dimensional vortices leaving the sample through its edge and confirms the existence of vortex pairs in layered high-T[sub c] superconductors. © 1998 American Institute of Physics.
- Subjects
HIGH temperature superconductors; CRYSTAL whiskers
- Publication
JETP Letters, 1998, Vol 68, Issue 3, p216
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.567849