| Issue |
Europhys. Lett.
Volume 51, Number 1, July I 2000
|
|
|---|---|---|
| Page(s) | 110 - 115 | |
| Section | Condensed matter: electronic structure, electrical, magnetic, and optical properties | |
| DOI | https://doi.org/10.1209/epl/i2000-00500-3 | |
| Published online | 01 September 2002 | |
Vortex plasma and transport in superconducting films with magnetic dots
1
Department of Physics, Texas A&M University -
College Station, TX 77843, USA
2
Landau Institute for Theoretical Physics 142432
Chernogolovka, Moscow region, Russia
3
Condensed Matter Physics Department,
Weizmann Institute of Science 76100
Rehovot, Israel
4
Institute of Physics - 252028 Kiev, Ukraine
5
Material Science Division, Argonne National Laboratory -
Argonne, IL 60439, USA
Received:
9
March
2000
Accepted:
2
May
2000
We consider a superconducting film supplied with a magnetic dot array. The dot magnetization is random and oriented perpendicular to the film. The concentration of the superconducting vortices bound to the dots is a step-like function of the dot magnetic flux. The concentration of the unbound vortices is an oscillating function of the same variable. The resistivity is determined by the thermal drift of the vortices through the corner points of a checker-board formed by positive and negative unbound vortices.
PACS: 74.60.Ge – Flux pinning, flux creep, and flux lattice dynamics
© EDP Sciences, 2000
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