Flux turbulence in NdBa2Cu3O6+x and underdoped YBa2Cu3O6+x single crystals

T. Frello, M. Baziljevich, T.H. Johansen, N.H. Andersen, T. Wolf, M.R. Koblischka

    Research output: Contribution to journalJournal articleResearch

    Abstract

    Magnetic flux turbulence was observed in single crystals of NdBa2Cu3O6+x near-optimally doped (x approximate to 1) and underdoped YBa2Cu3O6-x (x=0.50,0.82) using magneto-optical imaging. Such turbulent phenomena have so far been reported only for YBa2Cu3O6+x high-quality single crystals with optimal doping. The crystals were also characterized in terms of critical current density j(c), anisotropy gamma, and oxygen content/superstructure. The influence of these parameters on the turbulent behavior is discussed.
    Original languageEnglish
    JournalPhysical Review B
    Volume59
    Issue number10
    Pages (from-to)R6639-R6642
    ISSN2469-9950
    DOIs
    Publication statusPublished - 1999

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