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首页> 外文期刊>Dalton transactions: An international journal of inorganic chemistry >Two field-induced slow magnetic relaxation processes in a mononuclear Co(II) complex with a distorted octahedral geometry
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Two field-induced slow magnetic relaxation processes in a mononuclear Co(II) complex with a distorted octahedral geometry

机译:八面体几何畸变的单核Co(II)配合物中的两个场诱导的慢磁弛豫过程

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摘要

A distorted octahedral Co-II complex is reported with homoscorpionate ligands. This complex comprised a field-induced single-molecule magnet, showing two slow relaxation processes under a low dc field (<800 Oe) and only one process under a high dc field (>= 800 Oe), which was an unusually discovery for 3d metal ions. On the basis of the ac magnetic data, we show for the first time that one of the slow relaxation processes in the low dc field originates from intermolecular dipolar interactions. Interestingly, the Raman process is predominant in the spin reversal relaxation process. The origin of the behaviours of the complex was elucidated by ab initio calculations.
机译:据报道扭曲的八面体Co-II配合物具有高蝎子配体。该复合物包括一个场感应单分子磁体,在低直流场(<800 Oe)下显示出两个缓慢的弛豫过程,而在高直流场(> = 800 Oe)下仅显示出一个过程,这是3d的一个罕见发现。金属离子。基于交流磁数据,我们首次显示出低直流场中的一个缓慢弛豫过程源自分子间偶极相互作用。有趣的是,拉曼过程在自旋反转弛豫过程中占主导地位。通过从头算来阐明复合物行为的起源。

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