Room Temperature Multiferroicity of Charge Transfer Crystals

被引:43
作者
Qin, Wei [1 ]
Chen, Xiaomin [2 ,3 ]
Li, Huashan [4 ]
Gong, Maogang [1 ]
Yuan, Guoliang [3 ]
Grossman, Jeffrey C. [4 ]
Wuttig, Manfred [2 ]
Ren, Shenqiang [1 ]
机构
[1] Temple Univ, Dept Mech Engn, Philadelphia, PA 19122 USA
[2] Univ Maryland, Dept Mat Sci & Engn, College Pk, MD 20742 USA
[3] Nanjing Univ Sci & Technol, Sch Mat Sci & Engn, Nanjing, Jiangsu, Peoples R China
[4] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA
基金
美国国家科学基金会;
关键词
organic multiferroics; organic magnetoelectric coupling; organic self-assembly; FULLERENE; FERROELECTRICITY; TDAE-C-60; THIN; MAGNETORESISTANCE; NANOSTRUCTURES; PERFORMANCE; NANORODS; BLENDS; FIELDS;
D O I
10.1021/acsnano.5b03558
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Room temperature multiferroics has been a frontier research field by manipulating spin-driven ferroelectricity or charge-order-driven magnetism. Charge-transfer crystals based on electron donor and acceptor assembly, exhibiting simultaneous spin ordering, are drawing significant interests for the development of all-organic magnetoelectric multiferroics. Here, we report that a remarkable anisotropic magnetization and room temperature multiferroicity can be achieved through assembly of thiophene donor and fullerene acceptor. The crystal motif directs the dimensional and compositional control of charge-transfer networks that could switch magnetization under external stimuli, thereby opening up an attractive class of all-organic nanoferronics.
引用
收藏
页码:9373 / 9379
页数:7
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