Perovskite-related oxide fluorides: the use of Mössbauer spectroscopy in the investigation of magnetic properties

Frank Berry, Colin Greaves, Nicola-Narmada Gurusinghe, Cathryn Hancock, Peter Slater, M. F. Thomas, J. F. Marco

Research output: Contribution to journalArticlepeer-review

Abstract

We review here some of our recent work on the synthesis and characterisation of new perovskite-related oxide fluorides. We demonstrate the use of low temperature fluorination methods for the preparation of new phases with high fluorine contents. We also show how fluorine can be accommodated in different sites according to the structural details of the initial oxide and the fluorine content. Importantly, we describe how Mössbauer spectroscopy is a powerful technique for monitoring changes in cation oxidation state as a result of fluorination and for examining the complex magnetic interactions which result from the accommodation of fluorine within the structures and how these can be related to structural properties and changes to the superexchange pathways.
Original languageEnglish
Pages (from-to)339-346
Number of pages8
JournalCroatica Chemica Acta
Volume88
Issue number4
DOIs
Publication statusPublished - 24 Sept 2015

Keywords

  • oxide fluorides
  • Mössbauer spectroscopy
  • magnetism

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