Incommensurate superlattice and 90°twist boundaries in the superconducting phase of Bi-Sr-Ca-Cu-O

C. H. Chen, D. J. Werder, S. H. Liou, H. S. Chen, M. Hong

Research output: Contribution to journalArticle

40 Scopus citations

Abstract

We have observed an incommensurate superlattice structure in the Bi-Sr-Ca-Cu-O system using electron diffraction. The wave vector of the superlattice, q=(0,14.7,1), has an incommensurate component along the b axis and a commensurate component along the c axis. Twist boundaries perpendicular to the c axis, across which the crystallographic a and b axes are rotated 90°, are commonly observed in this system.

Original languageEnglish (US)
Pages (from-to)9834-9836
Number of pages3
JournalPhysical Review B
Volume37
Issue number16
DOIs
StatePublished - 1988

ASJC Scopus subject areas

  • Condensed Matter Physics

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