Slow magnetic relaxation based on the anisotropic Ising-type magnetic coupling between the MoIII and MnII centers

Kai Wang; Bin Xia; Qing-Lun Wang; Yue Ma; Dai-Zheng Liao; Jinkui Tang

doi:10.1039/C6DT03676G

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Slow magnetic relaxation based on the anisotropic Ising-type magnetic coupling between the Mo^III and Mn^II centers†

Kai Wang,^a Bin Xia,^a Qing-Lun Wang,

*^a Yue Ma,^a Dai-Zheng Liao^a and Jinkui Tang

*^b

Author affiliations

* Corresponding authors

^a Department of Chemistry, Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin, P. R. China
E-mail: wangql@nankai.edu.cn

^b State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, P. R. China
E-mail: tang@ciac.ac.cn

Abstract

Three new complexes containing Mn^II₂Mo^III zigzag chains have been synthesized and structurally characterized. The crystal structure of complex 3 consists of two linkage isomers of the Mo^IIIMn^II₂ chains, which correspond to 1 and 2, respectively. Both complex 1 and 3 show slow magnetic relaxation behavior with an energy barrier of Δ/k_B = 69.5 K and 68.8 K, respectively, whereas complex 2 is a simple paramagnet. The linear apical Mo^III–CN–Mn^II pairs provide the required magnetic anisotropy for the slow magnetic relaxation.

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Article information

DOI: https://doi.org/10.1039/C6DT03676G
Article type: Communication
Submitted: 22 Sep 2016
Accepted: 12 Dec 2016
First published: 23 Dec 2016

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Dalton Trans., 2017,46, 1042-1046

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Slow magnetic relaxation based on the anisotropic Ising-type magnetic coupling between the Mo^III and Mn^II centers

K. Wang, B. Xia, Q. Wang, Y. Ma, D. Liao and J. Tang, Dalton Trans., 2017, 46, 1042 DOI: 10.1039/C6DT03676G

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