Effects of Li+ substitution on the structural and magnetic properties of Co0.5Mn0.5Fe2O4 particles

被引：24
作者：
Chen, Wen [1 ]
Zhou, Yuan [1 ]
Lu, Jieyue [1 ]
Huang, Xusheng [2 ]
Wu, Wenwei [1 ,3 ]
Lin, Cuiwu [1 ,3 ]
Wang, Qing [1 ]
机构：
[1] Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China
[2] Guangxi Zhuang Autonomous Reg Met Prod Qual Super, Nanning 530023, Peoples R China
[3] Guangxi Coll & Univ Key Lab Appl Chem Technol & R, Nanning 530004, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2016年 / 42卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Magnetic properties; Magnetic materials; Chemical synthesis; X-ray diffraction; TEMPERATURE HYDROTHERMAL SYNTHESIS; ZINC FERRITE; PROPERTIES EVOLUTION; KINETICS RESEARCH; FACILE SYNTHESIS; ZN FERRITE; CO; MN; NANO; NANOPARTICLES;
D O I：
10.1016/j.ceramint.2015.09.039
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：
Co-Mn ferrites with a nominal composition LixCo0.5Mn0.5-xFe2O4 (0.0 <= x <= 0.3) are prepared by calcining precursor oxalates in air. The effects of composition and calcination temperatures on their structure, morphology, and magnetic properties are studied. A high-crystallized LixCo0.5Mn0.5-xFe2O4 with a cubic structure is obtained when the precursor is calcined at 950 degrees C in air for 3 h. All the Li+ substituted Co-Mn ferrites exhibit typical spinel structure. Moreover, lattice parameters of LixCo0.5Mn0.5-xFe2O4 decrease and crystallite size increases with increasing Li+ content, leading to an increase of the specific saturation magnetization and a decrease of the coercive field and the magnetic anisotropy constant. (C) 2015 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：1114 / 1121
页数：8
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