Nitride tuning of lanthanide chromites

Ashley P. Black, Hannah E. Johnston, Judith Oró-Solé, Bernat Bozzo, Clemens Ritter, Carlos Frontera, J. Paul Attfield, Amparo Fuertes

    Research output: Contribution to journalArticleResearchpeer-review

    6 Citations (Scopus)

    Abstract

    © The Royal Society of Chemistry 2016. LnCrO3-xNx perovskites with Ln = La, Pr and Nd and nitrogen contents up to x = 0.59 have been synthesised through ammonolysis of LnCrO4 precursors. These new materials represent one of the few examples of chromium oxynitrides. Hole-doping through O2-/N3- anion substitution suppresses the magnetic transition far less drastically than Ln3+/M2+ (M = Ca, Sr) cation substitutions because of the greater covalency of metal-nitride bonds. Hence, nitride-doping is a more benign method for doping metal oxides without suppressing electronic transitions.
    Original languageEnglish
    Pages (from-to)4317-4320
    JournalChemical Communications
    Volume52
    Issue number23
    DOIs
    Publication statusPublished - 1 Jan 2016

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