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Proceedings Paper

Effects of vortex localization at columnar defects on the mixed-state transport properties of Tl2Ba2CaCu2O8 films
Author(s): R. C. Budhani; W. L. Holstein; M. Suenaga
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Paper Abstract

The effects of vortex localization at columnar defects on the linear and non-linear dissipation in Tl2Ba2CaCu2O8 films are studied. The confinement of vortices into columnar defects leads to a minimum in the angular dependence of linear resistivity when the external field is brought into alignment with the defects. This observation provides compelling evidence for non-zero line tension of vortices in this highly anisotropic cuprate. The electric field vs current density isotherms, and the temperature dependence of linear resistivity, both, indicate a Bose glass type of phase transition in this system.

Paper Details

Date Published: 10 August 1994
PDF: 9 pages
Proc. SPIE 2158, Oxide Superconductor Physics and Nano-Engineering, (10 August 1994); doi: 10.1117/12.182682
Show Author Affiliations
R. C. Budhani, Brookhaven National Lab. (India)
W. L. Holstein, Dupont Central Research and Development Experimental Station (United States)
M. Suenaga, Brookhaven National Lab. (United States)

Published in SPIE Proceedings Vol. 2158:
Oxide Superconductor Physics and Nano-Engineering
Davor Pavuna; Ivan Bozovic, Editor(s)

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