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Thermomechanical detwinning of superconducting YBa2Cu3O7−x single crystals

Published online by Cambridge University Press:  31 January 2011

Debra L. Kaiser ,
Frank W. Gayle ,
Robert S. Roth  and
Lydon J. Swartzendruber
Debra L. Kaiser
Affiliation:
Institute for Materials Science and Engineering, National Institute of Standards and Technology, Gaithersburg, Maryland 20899
Frank W. Gayle
Affiliation:
Institute for Materials Science and Engineering, National Institute of Standards and Technology, Gaithersburg, Maryland 20899
Robert S. Roth
Affiliation:
Institute for Materials Science and Engineering, National Institute of Standards and Technology, Gaithersburg, Maryland 20899
Lydon J. Swartzendruber
Affiliation:
Institute for Materials Science and Engineering, National Institute of Standards and Technology, Gaithersburg, Maryland 20899
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Abstract

A method for the complete removal of twins from single crystals of superconducting YBa2Cu3O7−x is described. The process depends on ferroelastic behavior found to exist in the phase, and should be generally applicable to the layered perovskite-type phases containing accommodation twins resulting from a tetragonal-to-orthorhombic transformation on cooling. The twin-free, superconducting single crystals will enable investigation of a–b anisotropy of properties as well as crystal structure determination without complication by the presence of microtwins.

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Type
Rapid Communications
Information
Journal of Materials Research , Volume 4 , Issue 4 , August 1989 , pp. 745 - 747
Copyright
Copyright © Materials Research Society 1989

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References

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