Abstract
Detailed studies of the structures, magnetic properties and photodimerization of a series of formato-bridged MOFs with the general formula M2(HCOO)3(4,4′-bpe)3(H2O)3(X) (4,4′-bpe = 4,4′-bipyridylethylene, M = Mn (1-X−), X− = ClO −4 , NO −3 , BF −4 , I−, Br−; M = Co (2 −-X−), X− = ClO −4 , NO −3 ; M = Zn (3-X−), X− = NO3/−) were reported. Careful magnetic measurements on an oriented single crystal of 1-ClO −4 determined the spin-flop magnetic phase diagram and some intrinsic parameters, such as the intralayer coupling J, the anisotropy field H A and the exchange field H E. Different anions can remarkably tune the magnetic properties of 1-X−, especially the critical fields of the spin-flop transition. Compound 2-ClO −4 remained paramagnetic down to 2 K.
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Wang, X., Wang, Z. & Gao, S. Detailed magnetic study on the formato-bridged MOFs with anion-tunable magnetic properties. Sci. China Chem. 55, 1055–1063 (2012). https://doi.org/10.1007/s11426-012-4561-6
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DOI: https://doi.org/10.1007/s11426-012-4561-6