Dysprosium complexes bearing unsupported DyIII–GeII/SnII metal–metal bonds as single-ion magnets

Shi-Ming Chen; Jin Xiong; Yi-Quan Zhang; Fang Ma; Hao-Ling Sun; Bing-Wu Wang; Song Gao

doi:10.1039/C9CC00388F

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Dysprosium complexes bearing unsupported Dy^III–Ge^II/Sn^II metal–metal bonds as single-ion magnets†

Shi-Ming Chen,

^a Jin Xiong,^a Yi-Quan Zhang,

^b Fang Ma,^c Hao-Ling Sun,

^c Bing-Wu Wang

*^a and Song Gao

*^a

Author affiliations

* Corresponding authors

^a Beijing National Laboratory of Molecular Science, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking Ufniversity, Beijing 100871, P. R. China
E-mail: wangbw@pku.edu.cn, gaosong@pku.edu.cn

^b Jiangsu Key Laboratory for NSLSCS, School of Physical Science and Technology, Nanjing Normal University, Nanjing 210023, P. R. China

^c College of Chemistry, Beijing Normal University, Beijing, P. R. China

Abstract

Two dysprosium complexes bearing unsupported Dy–Ge/Sn metal–metal bonds are reported here, wherein the Dy–Ge and Dy–Sn bonds both contain relatively large covalency. The complexes exhibit slow relaxation of magnetization at zero field with energy barriers of 485 and 620 K, respectively, and the blocking temperature of 6 K.

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Article information

DOI: https://doi.org/10.1039/C9CC00388F
Article type: Communication
Submitted: 12 Mar 2019
Accepted: 17 Jun 2019
First published: 17 Jun 2019

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Chem. Commun., 2019,55, 8250-8253

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Dysprosium complexes bearing unsupported Dy^III–Ge^II/Sn^II metal–metal bonds as single-ion magnets

S. Chen, J. Xiong, Y. Zhang, F. Ma, H. Sun, B. Wang and S. Gao, Chem. Commun., 2019, 55, 8250 DOI: 10.1039/C9CC00388F

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