Superconducting epitaxial (TlBi)0.9Sr1.6Ba0.4Ca2Cu 3Ag0.2Ox film from an electrodeposited precursor

R. N. Bhattacharya, R. D. Blaugher, Z. F. Ren, W. Li, J. H. Wang, M. Paranthaman, D. T. Verebelyi, D. K. Christen

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Abstract

A low-cost electrodeposition (ED) method is tested for fabricating high-temperature superconducting film. The development of biaxially textured electrodeposited (TlBi)0.9Sr1.6Ba0.4Ca2Cu 3Ag0.2Ox (TBSBCCO-Ag) films on Ag-coated, single-crystal substrates is reported. Pole-figure measurements of electrodeposited TBSBCCO-Ag film on 300 Å Ag/LaAlO3 clearly show strong biaxial texturing. The omega scan and phi scan indicate the full width at half-maximum of only 0.9 and 1.2°, respectively, which suggests a very high-quality film prepared by an electrodeposition process. Transport measurements for the ED films show current density values of 3 × 105 A/cm2 at 77 K in zero field. Single-layer thallium-oxide films with Pb, Bi, and Sr substitution offer the potential for operation at 77 K in practical magnetic fields of 3-5 T.

Original languageEnglish
Pages (from-to)165-167
Number of pages3
JournalElectrochemical and Solid-State Letters
Volume1
Issue number4
DOIs
StatePublished - Oct 1998

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