Large coupled magnetoresponses in EuNbO2N

A. Belen Jorge, Judith Oró-Solé, Ana M. Bea, Nandang Mufti, Thomas T.M. Palstra, Jennifer A. Rodgers, J. Paul Attfield, Amparo Fuertes

    Research output: Contribution to journalArticleAcademicpeer-review

    82 Citations (Scopus)

    Abstract

    We have explored a new strategy to discover materials with large resistive or capacitive responses to magnetic fields by synthesizing EuMO2N (M = Nb, Ta) perovskites that combine ferromagnetic order of S = 7/2 Eu2+ spins with possible offcenter distortions of the d(0) M5+ cations enhanced by covalent bonding to N. EuNbO2N shows colossal magnetoresistances at low temperatures and a giant magnetocapacitance. However, the latter response originates from a microstructural effect rather than an intrinsic multiferroism.
    Original languageEnglish
    Pages (from-to)12572-12573
    Number of pages2
    JournalJournal of the American Chemical Society
    Volume130
    Issue number38
    DOIs
    Publication statusPublished - 24 Sep 2008

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