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- Title
Scaling Analysis of the Magnetic Field–Tuned Quantum Transition in Superconducting Amorphous In–O Films.
- Authors
Gantmakher, V. F.; Golubkov, M. V.; Dolgopolov, V. T.; Tsydynzhapov, G. E.; Shashkin, A. A.
- Abstract
We studied the magnetic field–tuned superconductor–insulator transition (SIT) in amorphous In–O films with different oxygen contents and, hence, different electron densities. Whereas the two-dimensional scaling behavior was confirmed for the states of the film near the zero-field SIT, the SIT scenario changed for the deeper states in the superconducting phase; in addition to the scaling function describing the conductivity of the fluctuation-induced Cooper pairs, the temperature-dependent contribution to the film resistance emerged. This contribution can originate from the conductivity of normal electrons. © 2000 MAIK “Nauka / Interperiodica”.
- Subjects
SUPERCONDUCTORS; ELECTRON distribution; SUPERCONDUCTIVITY
- Publication
JETP Letters, 2000, Vol 71, Issue 4, p160
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.568304