LFZ fibre texture modification induced by electrical polarization


Preliminary results of electric current flux application during LFZ growth of BSCCO fibres show a dramatic effect on fibre texture. The solute electromigration modifies the ionic transport and consequently the phase development, inducing a randomly crystal orientation on the as-grown fibres. After heat treatment, fibres grown with reverse electric current are three times more resistive at room temperature than those without current, although presenting a narrower transition to the superconducting state. (C) 2004 Elsevier B.V. All rights reserved.



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Costa, FM; Carrasco, MF; Ferreira, N; Silva, RF; Vieira, JM

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