Ferromagnetic heteronuclear {Fe(4)(Er,Lu)(2)} cyclic coordination clusters based on ferric wheels |
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| Authors: | Sebastian Schmidt Denis Prodius Ghenadie Novitchi Valeriu Mereacre George E Kostakis Annie K Powell |
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| Affiliation: | Institute of Inorganic Chemistry, Karlsruhe Institute of Technology, Engesserstrasse 15, 76128 Karlsruhe, Germany. annie.powell@kit.edu. |
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| Abstract: | A new family of hexanuclear ferric-lanthanide [Fe(III)(4)Ln(III)(2)(Htea)(4)(Piv)(6)(N(3))(4)] clusters, where Ln(III) = Er(1) and Lu(2) is reported. Variable temperature solid-state magnetic susceptibility studies of 1 and 2 reveal the presence of ferromagnetic (1) or competing anti- and ferromagnetic exchange interactions (2) between the constituent Fe(III) ions. |
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