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Superconducting YBa2Cu3O7-delta thick films on Ba2RETaO6 (RE=Pr, Nd, Eu, and Dy) substrates

Babu, TGN and Koshy, J and Sudershan, Y and Bhat, SV (1997) Superconducting YBa2Cu3O7-delta thick films on Ba2RETaO6 (RE=Pr, Nd, Eu, and Dy) substrates. In: Journal of Superconductivity, 10 (3). pp. 193-197.

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Thick films of YBa2Cu3O7-delta fabricated on polycrystalline Ba2RETaO6 (where RE= Pr, Nd, Eu, and Dy) substrates by dip-coating and partial melting techniques are textured and c-axis oriented, showing predominantly (00l) orientation. All the thick films show a superconducting zero resistance transition of 90 K. SEM studies clearly indicate platelike and needlelike grain growth over a wide area of the thick films. The values of the critical current density for these thick films are similar to 10(4) A/cm(2) at 77 K as determined by the nonresonant R.F. absorption method. Various processing conditions that affect the critical current density of thick films are also discussed.

Item Type: Journal Article
Publication: Journal of Superconductivity
Publisher: Springer
Additional Information: Copyright of this article belongs to Springer.
Keywords: BazRETaO6 substrates;YBa2Cu3Ov-6 thick films;critical cu~ent density.
Department/Centre: Division of Physical & Mathematical Sciences > Physics
Date Deposited: 24 Jun 2011 05:00
Last Modified: 24 Jun 2011 05:00
URI: http://eprints.iisc.ac.in/id/eprint/38506

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