10 August 1994 Effects of vortex localization at columnar defects on the mixed-state transport properties of Tl2Ba2CaCu2O8 films
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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.
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R. C. Budhani, R. C. Budhani, W. L. Holstein, W. L. Holstein, M. Suenaga, M. Suenaga, } "Effects of vortex localization at columnar defects on the mixed-state transport properties of Tl2Ba2CaCu2O8 films", Proc. SPIE 2158, Oxide Superconductor Physics and Nano-Engineering, (10 August 1994); doi: 10.1117/12.182682; https://doi.org/10.1117/12.182682
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