Single buffer layers of LaMnO3 or La0.7Sr0.3MnO3 for the development of YBa2Cu3O7-δ-coated conductors: A comparative study

T. Aytug; M. Paranthaman; H. Y. Zhai; H. M. Christen; S. Sathyamurthy; D. K. Christen; R. E. Ericson

doi:10.1557/JMR.2002.0322

Single buffer layers of LaMnO₃ or La_0.7Sr_0.3MnO₃ for the development of YBa₂Cu₃O_7-δ-coated conductors: A comparative study

T. Aytug, M. Paranthaman, H. Y. Zhai, H. M. Christen, S. Sathyamurthy, D. K. Christen, R. E. Ericson

Nanomaterials Chemistry Group

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

23 Scopus citations

Abstract

Single, epitaxial buffer layers of insulating LaMnO₃ (LMO) or conductive La_0.7Sr_0.3MnO₃ (LSMO) have been grown by sputter deposition on biaxially textured Ni and Ni-alloy substrates. We report baseline investigations of their compatibility with the YBa₂Cu₃O_7-δ (YBCO) coatings and demonstrate biaxially textured YBCO films grown by pulsed-laser deposition on these single-buffered tapes. Superconducting property characterizations revealed better properties for YBCO films on LMO-buffered tapes relative to those grown on LSMO layers. Self-field critical current densities (J_c) exceeding 1 × 10⁶ A/cm² at 77 K have been obtained for the YBCO (200 nm) films on LMO-buffer layers. These results offer prospects for the use of single, LMO-buffered metal tapes in the development of practical YBCO-coated conductors.

Original language	English
Pages (from-to)	2193-2196
Number of pages	4
Journal	Journal of Materials Research
Volume	17
Issue number	9
DOIs	https://doi.org/10.1557/JMR.2002.0322
State	Published - Sep 2002

Funding

This work was supported by the United States Department of Energy, Division of Materials Sciences, Office of Science, Office of Power Technologies-Superconductivity Program, and Office of Energy Efficiency and Renewable Energy. The research was performed at the Oak Ridge National Laboratory, managed by U.T.-Battelle, LLC, for the United States Department of Energy under Contract No. DE-AC05-00OR22725.

Funders	Funder number
Division of Materials Sciences
Office of Power Technologies-Superconductivity Program
U.S. Department of Energy
Office of Science
Office of Energy Efficiency and Renewable Energy	DE-AC05-00OR22725

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10.1557/JMR.2002.0322

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title = "Single buffer layers of LaMnO3 or La0.7Sr0.3MnO3 for the development of YBa2Cu3O7-δ-coated conductors: A comparative study",

abstract = "Single, epitaxial buffer layers of insulating LaMnO3 (LMO) or conductive La0.7Sr0.3MnO3 (LSMO) have been grown by sputter deposition on biaxially textured Ni and Ni-alloy substrates. We report baseline investigations of their compatibility with the YBa2Cu3O7-δ (YBCO) coatings and demonstrate biaxially textured YBCO films grown by pulsed-laser deposition on these single-buffered tapes. Superconducting property characterizations revealed better properties for YBCO films on LMO-buffered tapes relative to those grown on LSMO layers. Self-field critical current densities (Jc) exceeding 1 × 106 A/cm2 at 77 K have been obtained for the YBCO (200 nm) films on LMO-buffer layers. These results offer prospects for the use of single, LMO-buffered metal tapes in the development of practical YBCO-coated conductors.",

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T2 - A comparative study

AU - Aytug, T.

AU - Paranthaman, M.

AU - Zhai, H. Y.

AU - Christen, H. M.

AU - Sathyamurthy, S.

AU - Christen, D. K.

AU - Ericson, R. E.

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AB - Single, epitaxial buffer layers of insulating LaMnO3 (LMO) or conductive La0.7Sr0.3MnO3 (LSMO) have been grown by sputter deposition on biaxially textured Ni and Ni-alloy substrates. We report baseline investigations of their compatibility with the YBa2Cu3O7-δ (YBCO) coatings and demonstrate biaxially textured YBCO films grown by pulsed-laser deposition on these single-buffered tapes. Superconducting property characterizations revealed better properties for YBCO films on LMO-buffered tapes relative to those grown on LSMO layers. Self-field critical current densities (Jc) exceeding 1 × 106 A/cm2 at 77 K have been obtained for the YBCO (200 nm) films on LMO-buffer layers. These results offer prospects for the use of single, LMO-buffered metal tapes in the development of practical YBCO-coated conductors.

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Single buffer layers of LaMnO₃ or La_0.7Sr_0.3MnO₃ for the development of YBa₂Cu₃O_7-δ-coated conductors: A comparative study

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