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Hrem of Defects in Oxide Superconductors

Published online by Cambridge University Press:  21 February 2011

H. W. Zandbergen  and
G. van Tendeloo
H. W. Zandbergen
Affiliation:
National Center for HREM, Delft University of Technology, Rotterdamseweg 137, 2628AL Delft, The Netherlands
G. van Tendeloo
Affiliation:
University of Antwerp, RUCA, Groenenborgerlaan 171, Antwerp, Belgium.
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Abstract

A review is given of defects occurring in the superconducting oxides YBa2Cu3O7, (Bi,Tl)2(Sr,Ba)2CanCul+nO6+2n, and Pb2Sr2(Cal-xYx)nCu2+nO6+2n+∂. A number of these defect structures correspond to other thermodynamically stable phases. The observations of these defects have led in several cases to successful synthesis of new superconducting compounds. Defects can effect the superconducting properties, which they can either deteriorate (weak links) or improve (flux pinning). Both effects are considered.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 183: Symposium E – High Resolution Electron Microscopy of Defects in Materials , 1990 , 337
Copyright
Copyright © Materials Research Society 1990

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