All solution-chemistry approach for YBa2Cu3O7-δ-coated conductors

被引：77
作者：
Siegal, MP [1 ]
Clem, PG
Dawley, JT
Ong, RJ
Rodriguez, MA
Overmyer, DL
机构：
[1] Sandia Natl Labs, Albuquerque, NM 87145 USA
[2] Univ Illinois, Dept Mat Sci & Engn, Urbana, IL 61801 USA
来源：
APPLIED PHYSICS LETTERS | 2002年 / 80卷 / 15期
关键词：
D O I：
10.1063/1.1470225
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A need exists for low-cost coated-conductor fabrication methods for applications in magnet and electric-power technologies. We demonstrate high-critical current density (J(c)) YBa2Cu3O7-delta (YBCO) films grown on Nb-doped SrTiO3 (Nb:STO) buffered Ni(100) tapes. All buffer and superconductor layers are deposited using solution chemistry. A 50 nm thick Nb:STO seed layer on Ni(100) acts as a template for the growth of subsequent thicker layers of Nb:STO. Nb doping improves the electrical conductivity and oxygen diffusion barrier properties of STO. YBCO grows heteroepitaxially directly on this buffer layer, resulting in a transport J(c)(77 K)=1.3 MA/cm(2). (C) 2002 American Institute of Physics.
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页码：2710 / 2712
页数：3
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