Influence of the Ba2+/Sr2+ content and oxygen vacancies on the stability of cubic BaxSr1-xCo0.75Fe0.25O3-d

Mark Lumeij, Michael Gillessen, Henricus J.M. Bouwmeester, Torsten Markus, Juri Barthel, Stefan Roitsch, Joachim Mayer, Richard Dronskowski

Research output: Contribution to journalArticleAcademicpeer-review

7 Citations (Scopus)

Abstract

We present a theoretical and experimental study on the influence of the Ba/Sr and Co/Fe ratios as well as the oxygen-non-stoichiometry on the stability of Ba0.5Sr0.5Co0.8Fe0.2O3 d (BSCF). Thin-layer depositions are analysed by looking at TEM images and EDX spectra. Bondanalytical calculations are performed to explain the stability difference between hexagonal and cubic BSCF. Finally, annealing experiments analysed using XRD give an insight into the differences of phasefraction growth with respect to the Ba/Sr ratio.
Original languageEnglish
Pages (from-to)1333-1338
JournalPhysical chemistry chemical physics
Volume16
Issue number4
DOIs
Publication statusPublished - 2014

Keywords

  • IR-89138
  • METIS-302021

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