期刊
PURE AND APPLIED CHEMISTRY
卷 95, 期 6, 页码 701-705出版社
WALTER DE GRUYTER GMBH
DOI: 10.1515/pac-2023-0303
关键词
Crystal structures; inorganic chemistry; magnetic properties; Mary Good
By crystal engineering, unique magnetic functionalities can be intentionally designed in molecular magnets. In this study, a novel two-dimensional cyanido-bridged coordination network, [Ni-II(pz)(4)]{[Ni-II(pz)(3)][W-V(CN)(8)]}(2)& BULL;3.5H(2)O (NiW, pz = pyrazole), with metamagnetic behavior was synthesized. NiW has wavy coordination layers consisting of two differently sized molecular square ladders and exhibits strong intralayer ferromagnetic interactions. However, due to the relatively short interlayer distance, NiW shows spontaneous antiferromagnetic ordering below a Neel temperature of 21 K. By applying an external magnetic field, such antiferromagnet can be converted into a ferromagnet with a coercive field of 600 Oe at 2 K, elucidating the metamagnetic behavior of NiW.
By crystal engineering of molecular magnets, unique magnetic functionalities can be intentionally designed. In this work, we synthesized a novel two-dimensional cyanido-bridged coordination network, [Ni-II(pz)(4)]{[Ni-II(pz)(3)][W-V(CN)(8)]}(2)& BULL;3.5H(2)O (NiW, pz = pyrazole), which exhibits metamagnetic behavior. NiW has wavy coordination layers created by two differently sized molecular square ladders and exhibits strong intralayer ferromagnetic interactions. Nevertheless, due to the relatively short interlayer distance, NiW shows spontaneous antiferromagnetic ordering below a Neel temperature of 21 K. By applying an external magnetic field, such antiferromagnet can be converted into a ferromagnet with a coercive field of 600 Oe at 2 K, elucidating the metamagnetic behavior of NiW.
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