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Organophosphonate-Bridged Polyoxometalate-Based Dysprosium(III) Single-Molecule Magnet.

Yu HuoRong WanPengtao MaJunliang LiuYancong ChenDandan LiJingyang NiuJingping WangMing-Liang Tong
Published in: Inorganic chemistry (2018)
A novel dysprosium(III)-containing polytungstoarsenate, [{(AsW9O33)3Dy2(H2O)4W4O9(H2O)}2(NH2(CH2PO3)2)]33-, comprising two identical subunits bridged by an organophosphonate ligand shows single-molecule-magnet (SMM) behavior. Magnetic studies reveal that this complex exhibits a butterfly-shaped hysteresis loop up to 8 K, and a thermally activated energy barrier of 101(5) K reached a breakthrough among all polyoxometalate-supported SMMs.
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