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Fabrication of High-Quality Ion-Beam Deposited Cubic Oxide Template Films on Meter-Length Substrates

Published online by Cambridge University Press:  10 February 2011

P. N. Arendt ,
J. R. Groves ,
S. R. Foltyn ,
Q. X. Jia ,
E. J. Peterson ,
R. F. Depaula ,
P. C. Dowden ,
J. Y. Coulter  and
M. Ma
P. N. Arendt
Affiliation:
Superconductivity Technology Center, Materials Science and Technology Division Los Alamos National Laboratory, Los Alamos, NM 87545
J. R. Groves
Affiliation:
Superconductivity Technology Center, Materials Science and Technology Division Los Alamos National Laboratory, Los Alamos, NM 87545
S. R. Foltyn
Affiliation:
Superconductivity Technology Center, Materials Science and Technology Division Los Alamos National Laboratory, Los Alamos, NM 87545
Q. X. Jia
Affiliation:
Superconductivity Technology Center, Materials Science and Technology Division Los Alamos National Laboratory, Los Alamos, NM 87545
E. J. Peterson
Affiliation:
Superconductivity Technology Center, Materials Science and Technology Division Los Alamos National Laboratory, Los Alamos, NM 87545
R. F. Depaula
Affiliation:
Superconductivity Technology Center, Materials Science and Technology Division Los Alamos National Laboratory, Los Alamos, NM 87545
P. C. Dowden
Affiliation:
Superconductivity Technology Center, Materials Science and Technology Division Los Alamos National Laboratory, Los Alamos, NM 87545
J. Y. Coulter
Affiliation:
Superconductivity Technology Center, Materials Science and Technology Division Los Alamos National Laboratory, Los Alamos, NM 87545
M. Ma
Affiliation:
Superconductivity Technology Center, Materials Science and Technology Division Los Alamos National Laboratory, Los Alamos, NM 87545
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Abstract

Ion-beam assisted deposition was used to fabricate biaxially aligned cubic zirconia on flexible metal substrates. These films were used as templates for heteroepitaxially deposited YBa2Cu3O7-δ (YBCO) films. The quality of the crystalline texture of the template films has a direct influence on the superconducting properties of the final YBCO films. We describe our efforts to fabricate high-quality cubic zirconia templates on short-length substrates processed in stationary mode and meter-long substrates processed in continuous mode. Our best phi scan FWHM values for the films on the meter-long tapes were 12.6 degrees for the template and 6.1 degrees for the overcoated YBCO. This meter-long tape had a self-field, 75 K, superconducting critical current of 122 amps.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 585: Symposium L – Fundamental Mechanisms of Low-Energy-Beam Modified Surface , 1999 , 67
Copyright
Copyright © Materials Research Society 2000

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References

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