High Tc YBCO superconductor deposited on biaxially textured Ni substrate

US5968877A · kind A · utility

Assignee

• Lockheed Martin Energy Research Corporation · US

Inventors

• John D. Budai · Oak Ridge, US
• David K. Christen · Oak Ridge, US
• Amit Goyal · Knoxville, US
• Qing He · San Jose, US
• Donald M. Kroeger · Knoxville, US
• Dominic F. Lee · Knoxville, US
• Frederick A. List, III · Andersonville, US
• David P. Norton · Knoxville, US
• Mariappan Parans Paranthaman · Knoxville, US
• Brian C. Sales · Knoxville, US
• Eliot D. Specht · Knoxville, US

Key dates

• Filing date: Jun 26, 1996
• Grant date: Oct 19, 1999
• Expiry date: Jun 26, 2016

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31678
• WIPO field: Surface technology, coating
• WIPO sector: Chemistry

Abstract

A superconducting article includes a biaxially-textured Ni substrate, and epitaxial buffer layers of Pd (optional), CeO.sub.2 and YSZ, and a top layer of in-plane aligned, c-axis oriented YBCO having a critical current density (J.sub.c) in the range of at least 100,000 A/cm.sup.2 at 77 K.