Structural and magnetic properties of spinel (Co,Cu)Fe2O4 ferrites prepared via a hydrothermal and sintering process

被引：4
作者：
Cao, Chunxiang [1 ]
Ren, Suzhen [2 ]
Zhang, Lijiao [3 ]
Xia, Ailin [2 ]
机构：
[1] Anhui Univ Technol, Anal & Testing Cent Facil, Maanshan 243002, Peoples R China
[2] Anhui Univ Technol, Sch Mat Sci & Engn, Anhui Key Lab Met Mat & Proc, Maanshan 243002, Peoples R China
[3] Hebei Univ Sci & Technol, Sch Sci, Shijiazhuang 050018, Peoples R China
来源：
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2014年 / 25卷 / 11期
基金：
中国国家自然科学基金;
关键词：
SUBSTITUTED COFE2O4 NANOPARTICLES; COBALT FERRITE; NANOCRYSTALLINE;
D O I：
10.1007/s10854-014-2243-1
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
Spinel Co-Cu ferrites with the nominal composition Co1-xCuxFe2O4 ferrites (x = 0.0-0.4 with steps of 0.1) were prepared by a hydrothermal and sintering process, and the structural and magnetic properties of as-synthesized and sintered powder specimens were compared by using X-ray diffractometry, scanning electron microscopy, energy dispersive spectrometry and vibrating sample magnetometer analyses. It is found that all the as-synthesized and sintered specimens are single phase, and only suitable amount of Cu2+ substitution (x <= 0.3) is favorable for the growth of grains at high sintering temperature. In addition, with the increase of x, the saturation magnetization of both the as-synthesized and sintered powders decreases continuously, while the coercivity exhibits a first increasing but then decreasing tendency.
引用
收藏
页码：4851 / 4855
页数：5
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