Paper Title:
Textured YBaCuO Films Enhanced by Cold Rolling and Melt Growth Process in Low Oxygen Partial Pressure
  Abstract

High critical current density Jc under high magnetic field is required in numerous applications for high temperature superconductor YBa2Cu3O7-δ (Y123). Significant efforts have been made to control sample preparation in view of optimized textures and microstructures. In YBa2Cu3O7-δ superconductor, Jc is limited by grain misalignment and by other defaults like secondary phase (Y211), microcracks... So YBaCuO films were prepared by electrophoretic deposition directly on polycrystalline Ag substrate. Melt textured growth (MTG) in low oxygen partial pressure and cold rolling were performed to YBaCuO samples respectively to improve texture growth of the films and to study deformation effect on the texture. The film obtained by melted growth after rolling has better texture orientation than the film without rolling, and presents higher critical current density.

  Info
Periodical
Solid State Phenomena (Volume 105)
Edited by
C. Esling, M. Humbert, R.A. Schwarzer and F. Wagner
Pages
453-458
DOI
10.4028/www.scientific.net/SSP.105.453
Citation
J. Wang, N. Maloufi, X. X. Xue, Z.G. Fan, C. Esling, "Textured YBaCuO Films Enhanced by Cold Rolling and Melt Growth Process in Low Oxygen Partial Pressure ", Solid State Phenomena, Vol. 105, pp. 453-458, 2005
Online since
July 2005
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