PMID: 15245298Jul 13, 2004Paper

Shear at twin domain boundaries in YBa2Cu3O7-x

Physical Review Letters
W A CaldwellJ R Patel

Abstract

The microstructure and strain state of twin domains in YBa2Cu3O7-x are discussed based upon synchrotron white-beam x-ray microdiffraction measurements. Intensity variations of the fourfold twin splitting of Laue diffraction peaks are used to determine the twin domain structure. Strain analysis shows that interfaces between neighboring twin domains are strained in shear, whereas the interior of these domains are regions of low strain. These measurements are consistent with the orientation relationships of twin boundaries within and across domains and show that basal plane shear stresses can exceed 100 MPa where twin domains meet. Our results support stress field pinning of magnetic flux vortices by twin domain boundaries.

References

Apr 1, 1988·Physical Review. B, Condensed Matter·G J McIntyreG Collin
Nov 1, 1988·Physical Review. B, Condensed Matter·V K Wadhawan
Jun 1, 1989·Physical Review. B, Condensed Matter·J D BudaiL A Boatner
Jan 1, 1995·Physical Review. B, Condensed Matter·M OussenaL Taillefer

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Citations

Jan 15, 2011·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Charo I Del Genio, Kevin E Bassler
Nov 5, 2004·Physical Review Letters·Zahirul IslamU Welp

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