No antiferromagnetic reordering at low temperature in pure YBa2Cu3O6+x

H. Casalta, P. Schleger, E. Brecht, W. Montfrooij, N.H. Andersen, B. Lebech, W.W. Schmahl, H. Fuess, Ruixing Liang, W.N. Hardy, T. Wolf

    Research output: Contribution to journalConference articleResearch

    Abstract

    Magnetic ordering has been investigated by neutron scattering on an YBa2Cu3O6+x single crystal with x=0.1 and x=0.18, and an Al doped YBa2(CU2.86Al0.14)O-6.25 crystal. For the undoped crystal an antiferromagnetic ordering transition (AFI) was observed at T-N=410 K and 368 K (respectively for x=0.1 and x=0.18), but no second antiferromagnetic transition was found down to 2 K. In contrast, an antiferromagnetic reordering (AFII) was observed for the aluminum doped sample below T-2=8 K. This shows the high sensitivity of this second phase to impurities and indicates that this reordering is not necessarily an intrinsic property of YBa2Cu3O6+x.
    Original languageEnglish
    JournalPhysica C: Superconductivity and its Applications
    Volume235-240
    Pages (from-to)1623-1624
    ISSN0921-4534
    DOIs
    Publication statusPublished - 1994
    Event4th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors - Grenoble, France
    Duration: 5 Jul 19949 Jul 1994

    Conference

    Conference4th International Conference on Materials and Mechanisms of Superconductivity and High Temperature Superconductors
    Country/TerritoryFrance
    CityGrenoble
    Period05/07/199409/07/1994

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