Polyoxometalate-supported lanthanoid single-molecule magnets

Michele Vonci, Colette Boskovic

    Research output: Contribution to journalReview articlepeer-review


    Polyoxometalates are robust and versatile multidentate oxygen-donor ligands, eminently suitable for coordination to trivalent lanthanoid ions. To date, 10 very different structural families of such complexes have been found to exhibit slow magnetic relaxation due to single-molecule magnet (SMM) behaviour associated with the lanthanoid ions. These families encompass complexes with between one and four of the later lanthanoid ions: Tb, Dy, Ho, Er, and Yb. The lanthanoid coordination numbers vary between six and eleven and a range of coordination geometries are evident. The highest energy barrier to magnetisation reversal measured to date for a lanthanoid-polyoxometalate SMM is Ueff/kB = 73 K for the heterodinuclear Dy-Eu compound (Bu4N)8H4[DyEu(OH)2(γ-SiW10O36)2].

    Original languageEnglish
    Pages (from-to)1542-1552
    Number of pages11
    JournalAustralian Journal of Chemistry
    Issue number11
    Publication statusPublished - 8 Jul 2014


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