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    Two Heterometallic Ionic Compounds with Isolated [3d] and [4f] Complex Units: Field-Induced Single-Ion Magnet (SIM) Behavior Observed from a Mononuclear Dysprosium(III) Complex

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    Publication date
    2014-07
    Author
    Nayak, Sanjit
    Novitchi, G.
    Holynska, M.
    Dehnen, S.
    Keyword
    Sandwich complexes; Rare earths; Dysprosium; Iron; Magnetic properties; Single-ion magnet
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    Two new complexes, [Fe3(μ3-O)(inicH)6(H2O)3][Gd(NO3)6]·(NO3)4·nH2O (1) and [Fe3(μ3-O)(inicH)6(H2O)3][Dy(NO3)5 (H2O)]·(NO3)5·n(H2O) (2) with two isolated complex moieties, were generated when isonicotinic acid was treated with iron(III) nitrate and the corresponding lanthanide(III) nitrate in water. The structures were determined by single-crystal X-ray diffraction studies. In these compounds, the anionic lanthanide complexes are encapsulated by trinuclear [Fe3(μ3-O)(inicH)6(H2O)3]7+ cationic cluster units, which is facilitated by hydrogen-bonding interactions. Investigation of the magnetic properties reveals that 2 shows slow relaxation of magnetization at low magnetic field (Hdc = 1.0 kOe), with an energy barrier of 23 K originating from a single [Dy(NO3)5(H2O)]2– anion.
    URI
    http://hdl.handle.net/10454/10513
    Version
    No full-text available in the repository
    Citation
    Nayak S, Novitchi G, Holynska M et al (2014) Two Heterometallic Ionic Compounds with Isolated [3d] and [4f] Complex Units: Field-Induced Single-Ion Magnet (SIM) Behavior Observed from a Mononuclear Dysprosium(III) Complex. European Journal of Inorganic Chemistry. 2014(19): 3065-3071.
    Link to publisher’s version
    https://doi.org/10.1002/ejic.201402114
    Type
    Article
    Notes
    Errata: 2014(25): 4228 (http://onlinelibrary.wiley.com/enhanced/doi/10.1002/ejic.201402684)
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