Dependence of microstructure and magnetic properties of FePt/B nanocomposite films on boron content

被引:8
作者
Li, Y. L. [1 ]
Feng, T. F. [1 ]
Chen, Z. Y. [1 ,2 ]
机构
[1] Beihang Univ, Dept Phys, Beijing 100191, Peoples R China
[2] Beihang Univ, Key Lab Micronano Measurement Manipulat & Phys, Minist Educ, Beijing 100191, Peoples R China
基金
高等学校博士学科点专项科研基金;
关键词
Magnetron sputtering; Vacuum annealing; Nanocomposite film; Magnetic recording; THIN-FILM; ORDER; AG;
D O I
10.1016/j.apsusc.2010.11.102
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Compared with previous work, FePt/B nanocomposite films with larger B content in a wide range were prepared by magnetron sputtering plus subsequent annealing on Si (1 0 0) substrates. When the volume percentage is no less than 12%, both interstitial incorporation and intergranular segregation of the B are found, resulting an enlargement of the FePt lattice and a decrease of the FePt grain size. Effect of B content on magnetic properties, such as magnetization, switching field and exchange coupling of the FePt based films, is also discussed. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:3666 / 3669
页数:4
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