Field-induced hexagonal to square transition of the vortex lattice in overdoped La1.8Sr0.2CuO4

R. Gilardi, J. Mesot, A.J. Drew, U. Divarkar, S.L. Lee, N.H. Andersen, J. Kohlbrecher, N. Momono, M. Oda

    Research output: Contribution to journalConference articleResearchpeer-review

    Abstract

    We report on a small angle neutron scattering study of the vortex lattice in overdoped La2-xSrxCuO4 (x = 0.2) up to high magnetic fields (9.5 T) applied perpendicular to the CuO2 planes. At low magnetic fields we observe a crossover from hexagonal to square coordination of the vortex lattice. This field-induced transition confirms the results obtained in slightly overcloped La2-xSrxCuO4 (x = 0.17). (C) 2004 Elsevier B.V. All rights reserved.
    Original languageEnglish
    JournalPhysica C: Superconductivity and its Applications
    Volume408-410
    Pages (from-to)491-492
    ISSN0921-4534
    DOIs
    Publication statusPublished - 2004
    Event7th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors - Rio de Janeiro, Brazil
    Duration: 25 May 200330 May 2003
    Conference number: 7
    http://www.cbpf.br/m2srio/m2srio/m2srio.htm

    Conference

    Conference7th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors
    Number7
    CountryBrazil
    CityRio de Janeiro
    Period25/05/200330/05/2003
    Internet address

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