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Published on: March 27, 2018
Nicotinic acid bromide: a simple organic salt optical-electrical ferroelastic with high Tc
Jie Li1, Tie Zhang1, Meng-Meng Lun1
1Ordered Matter Science Research Center, Jiangsu Key Laboratory for Science and Applications of Molecular Ferroelectrics, Southeast University, Nanjing 211189, People's Republic of China. yizhang1980@seu.edu.cn.
Abstract:
A new ferroelastic organic salt nicotinic acid bromide (N-Br) was connected by hydrogen bonding with nicotinic acid cations via a halogen substitution strategy. It exhibits a ferroelastic phase transition from P21/m to P1̄ with 2/mF1̄ Aizu notation with a high Curie temperature (Tc) of 402 K. Moreover, optical regulation from blue light to white light was achieved by halogen substitution.

