Issue 22, 2015
From the journal:

Chemical Communications

Dynamics of a caged imidazolium cation–toward understanding the order-disorder phase transition and the switchable dielectric constant†

Xi Zhang,a   Xiu-Dan Shao,b   Si-Chao Li,b   Ying Cai,b   Ye-Feng Yao,*a   Ren-Gen Xiongb  and  Wen Zhang*b  

* Corresponding authors

a Department of Physics & Shanghai Key Laboratory of Magnetic Resonance, East China Normal University, North Zhongshan Road 3663, Shanghai 200062, China
E-mail: yfyao@phy.ecnu.edu.cn

b Ordered Matter Science Research Center, Southeast University, Nanjing 211189, China
E-mail: zhangwen@seu.edu.cn

Abstract

A molecular compass-like behaviour is found in a perovskite-type cage compound (HIm)2[KCo(CN)6] (HIm = imidazolium cation). The dynamic changes in the HIm cation from the static to rotating state along with the rearrangement of the host cage result in switchable and anisotropic dielectric constants.

Graphical abstract: Dynamics of a caged imidazolium cation–toward understanding the order-disorder phase transition and the switchable dielectric constant

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Article information

DOI
https://doi.org/10.1039/C4CC08693G
Article type
Communication
Submitted
05 Nov 2014
Accepted
02 Jan 2015
First published
02 Jan 2015

Chem. Commun., 2015,51, 4568-4571

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Dynamics of a caged imidazolium cation–toward understanding the order-disorder phase transition and the switchable dielectric constant

X. Zhang, X. Shao, S. Li, Y. Cai, Y. Yao, R. Xiong and W. Zhang, Chem. Commun., 2015, 51, 4568 DOI: 10.1039/C4CC08693G

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