Uncovering flux line correlations in superconductors by reverse monte carlo refinement of neutron scattering data

M. Laver, E.M. Forgan, Asger Bech Abrahamsen, C. Bowell, T. Geue, R. Cubitt

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    Abstract

    We describe the use of reverse Monte Carlo refinement to extract structural information from angle-resolved data of a Bragg peak. Starting with small-angle neutron scattering data, the positional order of an ensemble of flux lines in superconducting Nb is revealed. We discuss the uncovered correlation functions in the light of topical theories, in particular, the "Bragg glass" paradigm.
    Original languageEnglish
    JournalPhysical Review Letters
    Volume100
    Issue number10
    Pages (from-to)107001
    ISSN0031-9007
    DOIs
    Publication statusPublished - 2008

    Bibliographical note

    Copyright 2008 American Physical Society

    Keywords

    • SYSTEMS
    • DIFFRACTION
    • GLASS PHASE
    • ORDER
    • NIOBIUM
    • CREEP
    • DISORDER
    • LATTICE

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