Ethanol-Assisted Hydrothermal Synthesis and Characterization of BiFeO3 Nanopowders

被引:19
作者
Chen, Zhiwu [1 ]
Wu, Yongpeng [1 ]
Hu, Jianqiang [2 ]
机构
[1] S China Univ Technol, Coll Mat Sci & Engn, Guangzhou 510640, Guangdong, Peoples R China
[2] S China Univ Technol, Coll Chem & Chem Engn, Guangzhou 510640, Guangdong, Peoples R China
关键词
LOW-TEMPERATURE SYNTHESIS; THIN-FILM HETEROSTRUCTURES; NANOSIZED BISMUTH FERRITE; MAGNETIC-PROPERTIES; NANOPARTICLES; MINERALIZER; ROUTE;
D O I
10.1111/jace.12296
中图分类号
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
Well-crystallized pure BiFeO3 nanopowders were successfully synthesized at the temperature as low as 120 degrees C by an ethanol-assisted hydrothermal process. In this synthesis, the composition of the solvent played important roles in the formation of pure BiFeO3. The BiFeO3 nanopowders synthesized with 4:3 ethanol/water ratio mainly consists of cubic structures with size from 50 to 150nm. Zero-field-cooled (ZFC) and field-cooled (FC) magnetization measurements indicated that pure BiFeO3 nanopowders showed a spin-glass transition below the freezing temperature. Moreover, the BiFeO3 nanopowders exhibited ferromagnetic order at room temperature.
引用
收藏
页码:1345 / 1348
页数:4
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