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An unusual homospin CoII ferrimagnetic single-chain magnet with large hysteresis

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Abstract

A coordination framework formulated as [CO3(L)4(OH)2(H2O)2]n (1) (L = 4-(tetrazol-5-yl)phenyl-4,2′:6′,4′′-terpyridine) was synthesized and was structurally and magnetically characterized. Compound 1 features 1D chains in which unprecedented triangular non-uniform chains with mixed μ3-OH and (μ3-OH)(μ-N-N-tetrazolate)2 bridges are interlinked by the ligands into a 2D coordination framework. Magnetic investigations indicate that 1D ferrimagnetic chains, single-chain magnet like behaviors and large hysteresis coexist in the magnetic system of 1. The activation energies for magnetic reversal in the infinite- and finite-chain regimes are Δτ1/k = 180 K and Δτ2/k = 75 K, respectively.

Graphical abstract: An unusual homospin CoII ferrimagnetic single-chain magnet with large hysteresis

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Publication details

The article was received on 08 Aug 2019, accepted on 29 Sep 2019 and first published on 30 Sep 2019


Article type: Paper
DOI: 10.1039/C9CE01246J
CrystEngComm, 2019, Advance Article

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    An unusual homospin CoII ferrimagnetic single-chain magnet with large hysteresis

    F. Zhao, Z. Dong, Z. Liu and Y. Wang, CrystEngComm, 2019, Advance Article , DOI: 10.1039/C9CE01246J

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