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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.

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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