Microstructure and magnetic properties of L10 CoPt nanoparticles by Ag addition

被引：7
|
作者：
Wang, Yaxin [1 ,2 ]
Zhang, Xiaolong [1 ,2 ]
Liu, Yang [1 ,2 ]
Jiang, Yuhong [1 ,2 ]
Zhang, Yongjun [1 ,2 ]
Yang, Jinghai [1 ,2 ]
机构：
[1] Jilin Normal Univ, Inst Condensed State Phys, Siping 136000, Peoples R China
[2] Jilin Normal Univ, Key Lab Funct Mat Phys & Chem, Minist Educ, Siping 136000, Peoples R China
来源：
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY | 2014年 / 70卷 / 03期
关键词：
L1(0) CoPt nanoparticles; Ag; Magnetic properties; Ordering degree; Sol-gel method; NANOCOMPOSITE FILMS; THIN-FILMS; ALLOYS;
D O I：
10.1007/s10971-014-3318-4
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：
CoPt nanoparticles with various Ag contents were synthesized by sol-gel technique. L1(0) CoPt alloy phase was formed after annealing at 700 A degrees C. The coercivity (H-c) increased when the Ag content increased from 0 to 15 at.%. And H-c decreased when the Ag content was over 15 at.%. A certain amount of Ag could enhance the ordering degree of CoPt nanoparticles and improve the magnetic properties. When the Ag addition was more than 15 at.%, the deteriorated magnetic properties were ascribed to the decrease of ordering degree.
引用
收藏
页码：528 / 533
页数：6
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