Above-Room-Temperature Magnetodielectric Coupling in a Possible Molecule-Based Multiferroic: Triethylmethylammonium Tetrabromoferrate(III)

被引：126

作者：

Cai, Hong-Ling ^{[1
]}

Zhang, Yi ^{[1
]}

Fu, Da-Wei ^{[1
]}

Zhang, Wen ^{[1
]}

Liu, Tao ^{[2
]}

Yoshikawa, Hirofumi ^{[3
,4
]}

Awaga, Kunio ^{[3
,4
]}

Xiong, Ren-Gen ^{[1
]}

机构：

[1] Southeast Univ, Ordered Matter Sci Res Ctr, Nanjing 211189, Jiangsu, Peoples R China

[2] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China

[3] Nagoya Univ, Res Ctr Mat Sci, Nagoya, Aichi 4648602, Japan

[4] Nagoya Univ, Dept Chem, Nagoya, Aichi 4648602, Japan

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2012年 / 134卷 / 45期

基金：

中国国家自然科学基金;

关键词：

TRANSITION; CRYSTAL;

D O I：

10.1021/ja3073319

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A possible above-room-temperature molecular multiferroic, triethylmethylammonium tetrabromoferrate(III) (1), has been discovered. Its ferroelectric and magnetic phase transitions take place at almost the same temperature (similar to 360 K), resulting in strong magnetodielectric (MD) coupling, with a MD ratio of 18% at 0.6 MHz. Interestingly, 1 also undergoes a low temperature ferroelectric-ferroelectric phase transition with an Aizu notation of 6mmF6 and small magnetic and dielectric anomalies at 171 K.

引用

页码：18487 / 18490

页数：4

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