Spin freezing in the geometrically frustrated pyrochlore antiferromagnet Tb2Mo2O7

B.D. Gaulin, J.N. Reimers, T.E. Mason, J.E. Greedan, Z. Tun

    Research output: Contribution to journalJournal articleResearch

    Abstract

    The magnetic metal ions in the cubic pyrochlore Tb2Mo2O7 form an infinite three-dimensional network of corner-sharing tetrahedra with a very high potential for frustration in the presence of antiferromagnetism. We have performed neutron scattering measurements which show short-range spatial correlations that develop continuously with decreasing temperature, while the characteristic time scale for the fluctuating moments decreases dramatically below T(f) is similar to 25 K. Therefore, this pure material, which possesses frustration that is purely geometrical in origin, displays a spin-glass state at low temperatures.
    Original languageEnglish
    JournalPhysical Review Letters
    Volume69
    Issue number22
    Pages (from-to)3244-3247
    ISSN0031-9007
    DOIs
    Publication statusPublished - 1992

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