Twin structures, transformation and symmetry of superconducting Y1Ba2Cu307-x, observed by transmission electron microscopy

J. Zouf, D. J.H. Cockayne, G. J. Auchterlonie, D. R. McKenzie, S. X. Dou, A. J. Bourdillon, C. C. Sorrell, K. E. Easterling, A. W.S. Johnson

Research output: Contribution to journalArticlepeer-review

11 Citations (Scopus)

Abstract

The disappearance of microtwins in the high-Tc, superconductor Y1Ba2Cu307-x under the influence of electron irradiation is reported, and is shown to occur when the structure transforms from the orthorhombic to the tetragonal phase. Convergent-beam electron diffraction studies establish the crystallography of this transformation. The observations are explained in terms of an increase in x under electron irradiation. The space group of the orthorhombic structure is determined as Pm2m.

Original languageEnglish
Pages (from-to)157-163
Number of pages7
JournalPhilosophical Magazine Letters
Volume57
Issue number3
DOIs
Publication statusPublished - 1988
Externally publishedYes

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