Flux line lattice reorientation in the borocarbide superconductors with ¤H¤ parallel to ¤a¤

M.R. Eskildsen, A.B. Abrahamsen, D. Lopez, P.L. Gammel, D.J. Bishop, N.H. Andersen, K. Mortensen, P.C. Canfield

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    Small angle neutron scattering studies of the flux line lattice in LuNi2B2C and ErNi2B2C induced by a held parallel to the a axis reveal a first order flux Line lattice reorientation transition. Below the transition the Bur line lattice nearest neighbor direction is parallel to the b axis, and above the transition it is parallel to the c axis. This transition cannot be explained using nonlocal corrections to the London model. In addition, the anisotropy of the penetration depth lambda and the coherence length xi change at the transition.
    Original languageEnglish
    JournalPhysical Review Letters
    Volume86
    Issue number2
    Pages (from-to)320-323
    ISSN0031-9007
    DOIs
    Publication statusPublished - 2001

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