Characterization of suitable buffer layers on CU and CU-alloy metal substrates for the development of coated conductors

C. Cantoni; D. K. Christen; E. D. Specht; M. Varela; J. R. Thompson; A. Goyal; C. Thieme; Y. Xu; S. J. Pennycook

doi:10.1088/0953-2048/17/5/050

Characterization of suitable buffer layers on CU and CU-alloy metal substrates for the development of coated conductors

C. Cantoni
, D. K. Christen
, E. D. Specht
, M. Varela
, J. R. Thompson
, A. Goyal
, C. Thieme
, Y. Xu
, S. J. Pennycook

Department of Chemical and Biological Engineering

Oak Ridge National Laboratory
University of Tennessee
American Superconductor Corporation

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

29 Scopus citations

Abstract

A novel buffer layer architecture consisting of LaMnO₃/MgO/TiN is proposed as a suitable structural and chemical template for the epitaxial growth of high-T_c superconductors on Cu metal surfaces. For the first time, high J_c values are reported for YBCO films grown by laser ablation on (001) Cu single crystals, (100}(100) textured Cu surfaces and {100}(100) textured Cu-48% Ni-1% Al alloys, without intervening metal coatings. The J_c for single-crystal-like substrates is as high as 3.5 MA cm^-2 and values of 2 MA cm^-2 were obtained on the Cu-alloy tape substrates.

Original language	English
Pages (from-to)	S341-S344
Journal	Superconductor Science and Technology
Volume	17
Issue number	5
DOIs	https://doi.org/10.1088/0953-2048/17/5/050
State	Published - May 2004

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title = "Characterization of suitable buffer layers on CU and CU-alloy metal substrates for the development of coated conductors",

abstract = "A novel buffer layer architecture consisting of LaMnO3/MgO/TiN is proposed as a suitable structural and chemical template for the epitaxial growth of high-Tc superconductors on Cu metal surfaces. For the first time, high Jc values are reported for YBCO films grown by laser ablation on (001) Cu single crystals, (100\}(100) textured Cu surfaces and \{100\}(100) textured Cu-48\% Ni-1\% Al alloys, without intervening metal coatings. The Jc for single-crystal-like substrates is as high as 3.5 MA cm-2 and values of 2 MA cm-2 were obtained on the Cu-alloy tape substrates.",

author = "C. Cantoni and Christen, \{D. K.\} and Specht, \{E. D.\} and M. Varela and Thompson, \{J. R.\} and A. Goyal and C. Thieme and Y. Xu and Pennycook, \{S. J.\}",

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T1 - Characterization of suitable buffer layers on CU and CU-alloy metal substrates for the development of coated conductors

AU - Cantoni, C.

AU - Christen, D. K.

AU - Specht, E. D.

AU - Varela, M.

AU - Thompson, J. R.

AU - Goyal, A.

AU - Thieme, C.

AU - Xu, Y.

AU - Pennycook, S. J.

PY - 2004/5

Y1 - 2004/5

N2 - A novel buffer layer architecture consisting of LaMnO3/MgO/TiN is proposed as a suitable structural and chemical template for the epitaxial growth of high-Tc superconductors on Cu metal surfaces. For the first time, high Jc values are reported for YBCO films grown by laser ablation on (001) Cu single crystals, (100}(100) textured Cu surfaces and {100}(100) textured Cu-48% Ni-1% Al alloys, without intervening metal coatings. The Jc for single-crystal-like substrates is as high as 3.5 MA cm-2 and values of 2 MA cm-2 were obtained on the Cu-alloy tape substrates.

AB - A novel buffer layer architecture consisting of LaMnO3/MgO/TiN is proposed as a suitable structural and chemical template for the epitaxial growth of high-Tc superconductors on Cu metal surfaces. For the first time, high Jc values are reported for YBCO films grown by laser ablation on (001) Cu single crystals, (100}(100) textured Cu surfaces and {100}(100) textured Cu-48% Ni-1% Al alloys, without intervening metal coatings. The Jc for single-crystal-like substrates is as high as 3.5 MA cm-2 and values of 2 MA cm-2 were obtained on the Cu-alloy tape substrates.

UR - https://www.scopus.com/pages/publications/2542493224

U2 - 10.1088/0953-2048/17/5/050

DO - 10.1088/0953-2048/17/5/050

M3 - Article

AN - SCOPUS:2542493224

SN - 0953-2048

VL - 17

SP - S341-S344

JO - Superconductor Science and Technology

JF - Superconductor Science and Technology

IS - 5

ER -

Characterization of suitable buffer layers on CU and CU-alloy metal substrates for the development of coated conductors

Abstract

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