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Grain Boundaries in Yba2 Cu3O7-δ Thin Films

Published online by Cambridge University Press:  28 February 2011

M. Grant Norton ,
Lisa A. Tietz ,
C. Barry Carter ,
Stephen E Russek ,
Brian H. Moeckly  and
Robert A Buhrman
M. Grant Norton
Affiliation:
Department of Materials Science and Engineering,
Lisa A. Tietz
Affiliation:
Department of Materials Science and Engineering,
C. Barry Carter
Affiliation:
Department of Materials Science and Engineering,
Stephen E Russek
Affiliation:
School of Applied and Engineering Physics, Cornell University, Ithaca, NY 14853.
Brian H. Moeckly
Affiliation:
School of Applied and Engineering Physics, Cornell University, Ithaca, NY 14853.
Robert A Buhrman
Affiliation:
School of Applied and Engineering Physics, Cornell University, Ithaca, NY 14853.
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Abstract

Grain boundaries in YBa2Cu3O7-δ thin films deposited on (001)-MgO by pulsed laser ablation have been characterized using selected area diffraction. In addition to twin boundaries, the presence of both low-angle and high-angle grain boundaries were characteristic of the film's microstructure. The presence of certain grain boundaries may be responsible for the weak-link Josephson behavior observed in small constrictions formed in superconducting films on MgO.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 169: Symposium M – High Temperature Superconductors: Fundamental Properties and Novel Materials Processing , 1989 , 513
Copyright
Copyright © Materials Research Society 1990

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References

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