Large Easy-Plane Magnetic Anisotropy in a Three-Coordinate Cobalt(II) Complex [Li(THF)₄][Co(NPh₂)₃]

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• 作者：Yi-Fei Deng ; Dr. Zhenxing Wang ; Prof. Dr. Zhong-Wen Ouyang ; Dr. Bing Yin ; Prof. Dr. Zhiping Zheng and Prof. Dr. Yan-Zhen Zheng
• 刊名：Chemistry - A European Journal
• 出版年：2016
• 出版时间：October 10, 2016
• 年：2016
• 卷：22
• 期：42
• 页码：14821-14825
• 全文大小：658K
• ISSN：1521-3765

文摘

Magnetic anisotropy is the key element in the construction of single-ion magnets, a kind of nanomagnets for high-density information storage. This works describes an unusual large easy-plane magnetic anisotropy (with a zero-field splitting parameter D of +40.2 cm⁻¹), mainly arising from the second-order spin-orbit coupling effect in a trigonal-planar Co^II complex [Li(THF)₄][Co(NPh₂)₃], revealed by combined studies of magnetism, high frequency/field electron paramagnetic resonance spectroscopy, and ab initio calculations. Meanwhile, the field-induced slow magnetic relaxation in this complex was mainly attributed to the Raman process.