Lattice effects in YVO3 single crystal

C Marquina, M Sikora, MR Ibarra, AA Nugroho, TTM Palstra

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    Abstract

    In this paper we report on the lattice effects in the Mott insulator yttrium orthovanadate (YVO3). Linear thermal expansion and magnetostriction experiments have been performed on a single crystal, in the temperature range from 5 K to room temperature. The YVO3 orders antiferromagnetically at TN=116 K and orbital ordering was reported to appear below TOO=196 K. A first-order structural phase transition takes place at TS=77 K, accompanied by changes in the antiferromagnetic type of ordering as well as in the orbital-ordering type. Our results reveal that the thermal expansion measurement technique is a very powerful tool in order to clearly detect the existence of the above-mentioned transitions. The magnetostriction results point to the stability of the low-temperature-magnetic ground state under such high applied magnetic field.
    Original languageEnglish
    Pages (from-to)428-430
    JournalJournal of magnetism and magnetic materials
    Volume290
    DOIs
    Publication statusPublished - Apr 2005

    Keywords

    • thermal expansion
    • Mott localization
    • phase transitions-structural
    • magnetostriction

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