焦华,王君龙

• 1:渭南师范学院化学与生命科学学院

摘要(Abstract)：

以FeCl3,C2H2O4,NaOH为原料,采用水热法200℃反应12 h制备得到了α-Fe2O3纳米晶自组装的球形颗粒。利用X射线衍射仪、扫描电镜和透射电镜对所得产物进行了表征分析,并在室温下测量了其磁学性能。结果表明,所制备的α-Fe2O3纳米晶自组装的球形颗粒为三方晶系的单晶结构,其平均尺寸为300 nm。在室温下测试了球形颗粒的磁学特性,其矫顽力和剩余磁化强度分别为1543.34 Oe和0.10 emu/g,并根据α-Fe2O3纳米晶的形成与组装过程中的作用,并提出了可能生长机理。

关键词(KeyWords)： 水热法;α-Fe2O3球形颗粒;磁学性能

Abstract:

Keywords:

基金项目(Foundation): 陕西省教育厅科学研究资助项目(12JK0435)

作者(Author): 焦华,王君龙

DOI: 10.13289/j.issn.1009-6264.2013.04.004

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