Vortex dynamics in YBCO thin films with a low applied field

Pierre Bernstein; Myriam Pannetier; Catherine L. Picard; P. Lecoeur; O. Riou; M. Hanotel; Jean Francois Hamet; T. D. Doan; Jean-Pierre Contour

doi:10.1117/12.335888

22 December 1998 Vortex dynamics in YBCO thin films with a low applied field

Pierre Bernstein, Myriam Pannetier, Catherine L. Picard, P. Lecoeur, O. Riou, M. Hanotel, Jean Francois Hamet, T. D. Doan, Jean-Pierre Contour

Author Affiliations +

Proceedings Volume 3481, Superconducting and Related Oxides: Physics and Nanoengineering III; (1998) https://doi.org/10.1117/12.335888
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

A model based on the diffusion of the vortices is proposed in order to describe the flux creep and the flux flow regimes in high Tc films in which a bias current flows when no large magnetic field is applied. We show how it is possible, from the results of the model, to estimate the effective superconductive thickness of the samples and the main quantities characterizing the flux creep regime. In the flux flow regime, the model accounts for the non-linear current- voltage curves which are actually measured.

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Pierre Bernstein, Myriam Pannetier, Catherine L. Picard, P. Lecoeur, O. Riou, M. Hanotel, Jean Francois Hamet, T. D. Doan, and Jean-Pierre Contour "Vortex dynamics in YBCO thin films with a low applied field", Proc. SPIE 3481, Superconducting and Related Oxides: Physics and Nanoengineering III, (22 December 1998); https://doi.org/10.1117/12.335888

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