Large magnetoresistances and non-Ohmic conductivity in EuWO <inf>1+x</inf>N<inf>2-x</inf>

A. Kusmartseva, M. Yang, J. Oró-Soĺ, A. M. Bea, A. Fuertes, J. P. Attfield

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    21 Citations (Scopus)

    Abstract

    The magnetic field and voltage dependent electronic transport properties of EuWO1+xN2-x ceramics are reported. Large negative magnetoresistances are observed at low temperatures, up to 70% in the least doped (x=0.09) material. Non-Ohmic conduction emerges below the 12 K Curie transition. This is attributed to a microstructure of ferromagnetic conducting and antiferromagnetic insulating regions resulting from small spatial fluctuations in the chemical doping. © 2009 American Institute of Physics.
    Original languageEnglish
    Article number022110
    JournalApplied Physics Letters
    Volume95
    Issue number2
    DOIs
    Publication statusPublished - 1 Jan 2009

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