Fabrication of high-critical current density YBa2Cu3O7-δ films using a fluorine-free sol gel approach

Y. Xu; A. Goyal; N. A. Rutter; D. Shi; M. Paranthaman; S. Sathyamurthy; P. M. Martin; D. M. Kroeger

doi:10.1557/jmr.2003.0090

Fabrication of high-critical current density YBa₂Cu₃O_7-δ films using a fluorine-free sol gel approach

Y. Xu, A. Goyal, N. A. Rutter, D. Shi, M. Paranthaman, S. Sathyamurthy, P. M. Martin, D. M. Kroeger

Nanomaterials Chemistry Group

Research output: Contribution to journal › Article › peer-review

33 Scopus citations

Abstract

Superconducting YBa₂Cu₃O_7-δ (YBCO) films with critical transition temperature T_c(0) of 90 K were fabricated via a fluorine-free, metal trimethylacetate based sol-gel route. Precursor films were spin-coated onto single-crystal (001) LaAlO₃ (LAO) and (001) SrTi0₃ (STO) substrates. Optimization of the burnout process resulted in films with excellent out-of-plane and in-plane texture. Transport critical current densities, J_c, of 1.6 and 1.1 MA/cm² were obtained at 77 K in self-field on films grown on LAO and STO substrates, respectively. This is the first demonstration of high-J_c YBCO film fabrication using a fluorine-free, ex-situ process.

Original language	English
Pages (from-to)	677-681
Number of pages	5
Journal	Journal of Materials Research
Volume	18
Issue number	3
DOIs	https://doi.org/10.1557/jmr.2003.0090
State	Published - Mar 2003

Funding

This work was sponsored by the United States Department of Energy (USDOE), Office of Energy Efficiency and Renewable Energy—Superconductivity Program for Electric Systems. The research was performed at the Oak Ridge National Laboratory, managed by U.T.-Battelle, LLC, for the USDOE under Contract No. DE-AC05-00OR22725.

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abstract = "Superconducting YBa2Cu3O7-δ (YBCO) films with critical transition temperature Tc(0) of 90 K were fabricated via a fluorine-free, metal trimethylacetate based sol-gel route. Precursor films were spin-coated onto single-crystal (001) LaAlO3 (LAO) and (001) SrTi03 (STO) substrates. Optimization of the burnout process resulted in films with excellent out-of-plane and in-plane texture. Transport critical current densities, Jc, of 1.6 and 1.1 MA/cm2 were obtained at 77 K in self-field on films grown on LAO and STO substrates, respectively. This is the first demonstration of high-Jc YBCO film fabrication using a fluorine-free, ex-situ process.",

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AU - Xu, Y.

AU - Goyal, A.

AU - Rutter, N. A.

AU - Shi, D.

AU - Paranthaman, M.

AU - Sathyamurthy, S.

AU - Martin, P. M.

AU - Kroeger, D. M.

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AB - Superconducting YBa2Cu3O7-δ (YBCO) films with critical transition temperature Tc(0) of 90 K were fabricated via a fluorine-free, metal trimethylacetate based sol-gel route. Precursor films were spin-coated onto single-crystal (001) LaAlO3 (LAO) and (001) SrTi03 (STO) substrates. Optimization of the burnout process resulted in films with excellent out-of-plane and in-plane texture. Transport critical current densities, Jc, of 1.6 and 1.1 MA/cm2 were obtained at 77 K in self-field on films grown on LAO and STO substrates, respectively. This is the first demonstration of high-Jc YBCO film fabrication using a fluorine-free, ex-situ process.

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Fabrication of high-critical current density YBa₂Cu₃O_7-δ films using a fluorine-free sol gel approach

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