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Lanthanide chain assembled in metal-organic frameworks: slow relaxation of the magnetization in Dy (III) and Er (III) complexes

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Three new LnIII-MOFs, {[Dy1.5(TAPB)1.5(DMF)]·9DMF}n (Ln = Dy (1), Er (2), Ho (3); TAPB = 4, 4′, 4″-(triazine‑2, 4, 6‑triyl‑tris‑(benzene‑4, 1-diyl)) tribenzoate), have been synthesized via a solvothermal method by using a trigonal N-containing tricarboxylate as the ligand. The coordination geometries around the central metal ions in the MOFs exhibit different deviations from ideal square antiprism (D4d symmetry) because of the coordinated solvent molecules. The ac magnetic susceptibility data is consistent with single chain magnet behavior for Dy(III) and Er(III) complexes, which have been studied by the noncritical scaling theory.

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Inorganic Chemistry Communications, 2019, vol. 102, p. 30-34

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Articles publicats en revistes (Química Inorgànica i Orgànica)

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Lanthanide chain assembled in metal-organic frameworks: slow relaxation of the magnetization in Dy (III) and Er (III) complexes