Synthesis and characterization of n=5, 6 members of the La4Srn-4TinO3n+2 series with layered structure based upon perovskite

Jesus Canales Vazquez, J T S Irvine, Wuzong Zhou

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12 Citations (Scopus)

Abstract

Layered compounds have been synthesized and structurally characterized for the n = 5 and 6 members of the perovskite-related family La4Srn-4TinO3n+2 by combining X-ray diffraction and transmission electron microscopy. Their structure can be regarded as comprising [(La,Sr)(5)Ti5O17] and [(La,Sr)(6)Ti6O20] perovskite blocks joined by crystallographic shears along the a-axis, with consecutive blocks shifted by 1/2 [100](p). The n = 5 member is similar to the previously reported n = 5 member of other A(n)B(n)O(3n+2) related series. The it = 6 member, which has only been briefly reported in other systems previously, is also a well-behaved member of this A(n)B(n)O(3n+2) series. (C) 2004 Elsevier Inc. All rights reserved.

Original languageEnglish
Pages (from-to)2039-2043
Number of pages5
JournalJournal of Solid State Chemistry
Volume177
Issue number6
DOIs
Publication statusPublished - Jun 2004

Keywords

  • A(n)B(n)O(3n+2)
  • layered perovskites
  • HRTEM
  • XRD
  • structural characterization
  • ELECTRON-MICROSCOPY
  • CRYSTAL-STRUCTURE
  • SR5NB5O17
  • ANBNO3N+2
  • LA2TI2O7
  • PHASE

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