Bi2-xLnxWO6: a novel layered structure type related to the Aurivillius phases

PS Berdonosov, DO Charkin, VA Dolgikh, SY Stefanovich, RI Smith, Philip Lightfoot

Research output: Contribution to journalArticlepeer-review

Abstract

The crystal structure of Bi0.7Yb1.3WO6 (a representative of the isomorphous series Bi(2-x)Ln(x)WO(6); 0.3 < x < 1.3, for most lanthanides) has been determined. Contrary to previous suggestions, this structure type (space group A2, a = 8.1070(3) Angstrom, b = 3.7048(2) Angstrom, c = 15.8379(8) Angstrom, beta = 103.548(4)degrees) contains layers of stoichiometry WO4, containing WO6 octahedra sharing both edges and corners. These layers alternate with fluorite-like (Bi/Yb)(2)O-2 sheets; this is a novel and unexpected arrangement and contrasts dramatically with the purely corner-sharing octahedral WO4-layer in the parent Aurivillius phase Bi2WO6. (C) 2004 Elsevier Inc. All rights reserved.

Original languageEnglish
Pages (from-to)2632-2634
Number of pages3
JournalJournal of Solid State Chemistry
Volume177
DOIs
Publication statusPublished - Jul 2004

Keywords

  • bismuth oxide
  • Aurivillius phase
  • layered structure
  • powder neutron diffraction
  • BISMUTH LANTHANUM TUNGSTATE
  • DIELECTRIC-PROPERTIES
  • CRYSTAL-STRUCTURE
  • CATION DISORDER
  • FAMILY
  • DIFFRACTION
  • OXIDES
  • BI2WO6
  • SERIES

Fingerprint

Dive into the research topics of 'Bi2-xLnxWO6: a novel layered structure type related to the Aurivillius phases'. Together they form a unique fingerprint.

Cite this