Issue 76, 2017, Issue in Progress
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RSC Advances

Study of the relationship between magnetic field and dielectric properties in two ferromagnetic complexes†

Li Yang,a   Jing Li,a   Tian-Cheng Pu,b   Ming Kong,a   Jing Zhanga  and  You Song ORCID logo *a  

* Corresponding authors

a State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Advanced Microstructures, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, China
E-mail: yousong@nju.edu.cn

b Department of Chemical and Biomolecular Engineering, John Hopkins University, Baltimore, Maryland 21218, USA

Abstract

By changing metal ions in the existing [guest][MIIIMII(HCOO)6] framework, heterometallic formate frameworks formulated as [NH2(CH3)2][CrIIIFeII(HCOO)6] (1) and [NH2(CH3)2][CrIIINiII(HCOO)6] (2) were synthesized and characterized by single crystal X-ray diffraction, dielectric measurement and magnetic susceptibility measurement. Both complexes 1 and 2 exhibit long-range ferromagnetic ordering (LRO) at Curie temperatures of 15.3 (1) and 20.9 K (2) through ac magnetization susceptibility and zfc/fc measurements. Complex 1 possesses a hysteresis loop with Hc/Mr being 2.77 kOe/2.83 NμB. Measurements on the dielectric properties of 1 and 2 show an apparent dielectric response. Interestingly, the dielectric constants can be increased under an applied magnetic field.

Graphical abstract: Study of the relationship between magnetic field and dielectric properties in two ferromagnetic complexes

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Article information

DOI
https://doi.org/10.1039/C7RA08695D
Article type
Paper
Submitted
06 Aug 2017
Accepted
07 Oct 2017
First published
12 Oct 2017
This article is Open Access
Creative Commons BY license

RSC Adv., 2017,7, 47913-47919

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Study of the relationship between magnetic field and dielectric properties in two ferromagnetic complexes

L. Yang, J. Li, T. Pu, M. Kong, J. Zhang and Y. Song, RSC Adv., 2017, 7, 47913 DOI: 10.1039/C7RA08695D

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