Incommensurate magnetism in non-superconducting PrBa2Cu3O6.92

A.T. Boothroyd, J.P. Hill, D.F. McMorrow, N.H. Andersen, A. Stunault, C. Vettier, T. Wolf

    Research output: Contribution to journalJournal articleResearch

    Abstract

    We report the discovery of incommensurate magnetic order in non-superconducting single crystals PrBa2Cu3O6.92. Resonant X-ray magnetic scattering at the Pr L-II and L-III edges and high resolution neutron diffraction were used to characterise the magnetic order on the different magnetic sublattices. The data reveal that the Pr sublattice orders at a temperature of 19 K in an incommensurate structure with ordering wavevector (0.5 +/- delta, 0.5, 0) or (0.5, 0.5 +/- delta, 0), delta approximate to 0.006-0.008, A spin reorientation in the Pr sublattice to a commensurate antiferromagnetic structure with ordering wavevector (0.5, 0.5, 0.5) takes place at a temperature close to 9 K. (C) 1999 Elsevier Science B.V. All rights reserved.
    Original languageEnglish
    JournalPhysica C: Superconductivity and its Applications
    Volume317-318
    Pages (from-to)292-298
    ISSN0921-4534
    DOIs
    Publication statusPublished - 1999

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