Electrical assisted laser floating zone (EALFZ) growth of 2212-BSCCO superconducting fibres
authors Carrasco, MF; Amaral, VS; Silva, RF; Costa, FM
nationality International
journal APPLIED SURFACE SCIENCE
author keywords Superconductors; Laser floating zone; BSCCO; Fibre
keywords CRITICAL-CURRENT DENSITIES; SOLIDIFICATION
abstract The new electrical assisted laser floating zone (EALFZ) technique was used to grow superconducting fibres of Bi2Sr2CaCu2O8 (2212-BSCCO). The application of an electrical current through the crystallization interface proved to advantageously modify the phase nature and texture of 2212-BSCCO polycrystalline fibres compared to conventionally laser floating zone (LFZ) grown ones. The current application during the growth induces a selective and more intense ionic migration along the fibre axis. As a result, an increase in superconducting phase fraction and a decrease of residual melt were observed together with grain alignment intensification. The main outcome in the superconducting properties is the improvement of the critical current density at 77 K, from 1.2 x 10(3) A/cm(2), in the LFZ fibres, to 2.8 x 10(3) A/cm(2), in the EALFZ processed ones. (C) 2010 Elsevier B. V. All rights reserved.
publisher ELSEVIER SCIENCE BV
issn 0169-4332
year published 2011
volume 257
issue 12
beginning page 5283
ending page 5286
digital object identifier (doi) 10.1016/j.apsusc.2010.11.068
web of science category Chemistry, Physical; Materials Science, Coatings & Films; Physics, Applied; Physics, Condensed Matter
subject category Chemistry; Materials Science; Physics
unique article identifier WOS:000288007500035
  ciceco authors
  impact metrics
times cited (wos core): 8
journal impact factor (jcr 2016): 3.387
5 year journal impact factor (jcr 2016): 3.184
category normalized journal impact factor percentile (jcr 2016): 79.407
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