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- Title
Destruction of localized electron pairs above the magnetic-field-driven superconductor–insulator transition in amorphous In–O films.
- Authors
Gantmakher, V. F.; Golubkov, M. V.; Dolgopolov, V. T.; Tsydynzhapov, G. E.; Shashkin, A. A.
- Abstract
The field-induced superconductivity-destroying quantum transition in amorphous indium oxide films are investigated at low temperatures down to 30 mK. It is found that, on the high-field side of the transition, the magnetoresistance reaches a maximum and the phase can be insulating as well as metallic. With further increase of the magnetic field the resistance of the film drops and in the high-field limit approaches the resistance value at the transition point, so that at high fields the metallic phase occurs for both cases. We give a qualitative account of this behavior in terms of field-induced destruction of localized electron pairs. © 1998 American Institute of Physics.
- Subjects
INDIUM compounds; AMORPHOUS substances; SUPERCONDUCTIVITY; MAGNETORESISTANCE
- Publication
JETP Letters, 1998, Vol 68, Issue 4, p363
- ISSN
0021-3640
- Publication type
Article
- DOI
10.1134/1.567874