Slow magnetic relaxation in a lanthanide helix chain compound [Dy(HNA)(NA)2(NO3)]n (HNA = nicotinic acid)

Shuang Liu; Lei-Lei Li; Han Li; Hong-Ling Gao; Jian-Zhong Cui; Peng Cheng

doi:10.1039/C5DT00205B

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Slow magnetic relaxation in a lanthanide helix chain compound [Dy(HNA)(NA)₂(NO₃)]_n (HNA = nicotinic acid)†

Shuang Liu,^a Lei-Lei Li,^b Han Li,^b Hong-Ling Gao,^a Jian-Zhong Cui*^a and Peng Cheng*^b

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* Corresponding authors

^a Department of Chemistry, Tianjin University, Tianjin, China
E-mail: cuijianzhong@tju.edu.cn

^b Department of Chemistry, Key Laboratory of Advanced Energy Material Chemistry, MOE, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Nankai University, Tianjin 300071, China

Abstract

A helix chain Dy³⁺ compound, [Dy(HNA)(NA)₂(NO₃)]_n (1, HNA = nicotinic acid), was synthesized under solvothermal conditions and fully characterized. The absolute configurations of the enantiomers in P6₁ and P6₅ space groups are characterized by single crystal X-ray diffraction and circular dichroism (CD). Magnetic studies reveal that compound 1 exhibits ferromagnetic interaction and slow magnetic relaxation at low temperatures with the energy barrier of 37 K under 900 Oe dc field.

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Article information

DOI: https://doi.org/10.1039/C5DT00205B
Article type: Paper
Submitted: 16 Jan 2015
Accepted: 16 Feb 2015
First published: 17 Feb 2015

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Dalton Trans., 2015,44, 6169-6174

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Slow magnetic relaxation in a lanthanide helix chain compound [Dy(HNA)(NA)₂(NO₃)]_n (HNA = nicotinic acid)

S. Liu, L. Li, H. Li, H. Gao, J. Cui and P. Cheng, Dalton Trans., 2015, 44, 6169 DOI: 10.1039/C5DT00205B

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