Structure origin of abnormal magnetic behavior of Fe-P-C amorphous alloys

被引：8
|
作者：
Zhu, L. [1 ]
Meng, Y. [1 ,3 ]
Zhai, X. B. [1 ]
Wang, Y. G. [1 ]
Lan, S. [2 ]
机构：
[1] Nanjing Univ Aeronaut & Astronaut, Coll Mat Sci & Technol, Nanjing 210016, Jiangsu, Peoples R China
[2] Nanjing Univ Sci & Technol, Herbert Gleiter Inst Nanosci, Sch Mat Sci & Engn, Nanjing 210094, Jiangsu, Peoples R China
[3] Beihang Univ, Dept Mat Sci & Engn, Beijing 100191, Peoples R China
来源：
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS | 2019年 / 472卷
基金：
美国国家科学基金会; 中国国家自然科学基金;
关键词：
Amorphous alloy; Saturation magnetic flux density; Synchrotron X-ray diffraction; HIGH SATURATION MAGNETIZATION; GLASS-FORMING ABILITY; METALLIC GLASSES; LOW COERCIVITY; A/M;
D O I：
10.1016/j.jmmm.2018.10.001
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The magnetic properties of a series of Fe-P-C amorphous alloys were investigated. Fe80P13C7 shows the largest saturation magnetic flux density among all the Fe80P20-xCx (x=7-9) alloys, which is supported by the hyperfine field distribution. Synchrotron X-ray diffraction was performed to explore the underlying structure mechanism. It is found that Fe80P13C7 amorphous alloy has a larger atomic volume accompanied by a larger first peak position value of the reduced pair distribution function compared with those of Fe80P12C8 and Fe80P11C9. The origin of the unusual magnetic behavior of Fe80P13C7 is thought to be the large Fe-Fe bond length.
引用
收藏
页码：49 / 52
页数：4
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