Synthesis and structural studies of Sr2Co2-xAl xO5, 0.3≤x≤0.5

F. Lindberg, G. Svensson, S. Ya Istomin, S. V. Aleshinskaya, E. V. Antipov

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

Sr2Co2-xAlxO5, 0.3≤x≤0.5, with a perovskite related structure has been synthesized. The XRD powder patterns showed reflections from the basic cubic perovskite structure along with some additional weak superstructure reflections. Electron diffraction (ED) and high-resolution transmission electron microscopy (HRTEM) studies show that crystallites of Sr2Co2-xAlxO5 consist of small intergrown differently oriented domains, about 40Å in diameter, with brownmillerite structure.

Original languageEnglish
Pages (from-to)1592-1597
Number of pages6
JournalJournal of Solid State Chemistry
Volume177
Issue number4-5
DOIs
Publication statusPublished - Apr 2004
Externally publishedYes

Keywords

  • Brownmillerite structure
  • Complex cobalt oxides
  • Electron diffraction
  • HRTEM

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