Neutron scattering from the flux-line lattice in Bi2Sr2CaCu2O8+#gamma#

D.M. Paul, E.M. Forgan, R. Cubitt, S.L. Lee, M. Wylie, H.A. Mook, M. Yethiraj, K. Mortensen

    Research output: Contribution to journalJournal articleResearch

    Abstract

    Neutron small-angle diffraction has been used to investigate the flux-line lattice structure within single crystals of the high-temperature superconductor Bi2.15Sr1.95CaCu2O8+x. The diffracted intensity goes rapidly to zero as the magnetic field or the temperature is increased. Melting at low fields as a function of temperature coincides with the appearence of finite resistance within the superconducting state. At low temperatures the diffracted intensity disappears in fields greater than similar to 70 mT, probably due to the decomposition of the flux-line lattice into randomly pinned 2d ''pancake'' vortices.
    Original languageEnglish
    JournalPhysica B: Condensed Matter
    Volume213/214
    Pages (from-to)107-109
    ISSN0921-4526
    Publication statusPublished - 1995

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