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A single component organic ferroelectric compound with helical hydrogen bond chains: crystal structure, ferroelectric and dielectric properties
Liu Xu,Yu Weihua,Liu Jianlan *,Ren Xiaoming
College of science, Nanjing University of Technology
*Correspondence author
#Submitted by
Subject:
Funding: State Key Laboratory of Materials Oriented Chemical Engineering, Nanjing University of Technology and NNSF of China（No.KL08-3 and 20871068）
Opened online:27 April 2011
Accepted by: none
Citation: Liu Xu,Yu Weihua,Liu Jianlan.A single component organic ferroelectric compound with helical hydrogen bond chains: crystal structure, ferroelectric and dielectric properties[OL]. [27 April 2011] http://en.paper.edu.cn/en_releasepaper/content/4422910
 
 
An organic compound, 2-amino-4-phenylthiazole, crystallize in the polar space group P41; the neighboring molecules form a helical H-bonding chain along the crystallographic c-axis direction, and there are weak van der Waals forces between the adjacent H-bonding chains in the crystal. This compound shows ferroelectricity which is confirmed by the P-E hysteresis loop and dielectric spectroscopy. The theoretical analyses further revealed that the switch between two stable polarization states ?P and +P of the ferroelectricity under an external electric field can be easily achieved by the relative rotation of the thiazolyl and phenyl rings around C-C single bond of 2-amino-4-phenylthiazole.
Keywords:Organic polar material; ferroelectric; dielectric spectroscopy; DFT
 
 
 

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