Magnetic Properties of Anisotropic Pr-Fe-B/Fe/Pr-Fe-B Films

被引：0
|
作者：
Yang, F. [1 ,2 ,3 ]
Liu, W. [1 ,2 ]
Cui, W. B. [1 ,2 ]
Feng, J. N. [1 ,2 ]
Zhang, Z. D. [1 ,2 ]
机构：
[1] Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
[2] Chinese Acad Sci, Int Ctr Mat Phys, Shenyang 110016, Peoples R China
[3] NW Inst Nonferrous Met Res, Xian 710016, Peoples R China
来源：
JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM | 2012年 / 25卷 / 06期
关键词：
Magnetic films and multilayers; Anisotropy; Atomic force microscopy; Nanocomposites; REMANENCE ENHANCEMENT; MULTILAYER MAGNETS; EXCHANGE;
D O I：
10.1007/s10948-012-1563-8
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Pr-Fe-B/Fe/Pr-Fe-B films with different Fe layer thicknesses were deposited by magnetron sputtering on Si (100) substrate heated at 650 degrees C. Structural and magnetic properties of the Pr-Fe-B/Fe/Pr-Fe-B films were investigated. X-ray diffraction and magnetic measurement results reveal that the Pr-Fe-B/Fe/Pr-Fe-B films are anisotropic when the thickness of Fe layer is smaller than 50 nm. The enhancement of the saturation magnetization in nanocomposite films is attributed to the exchange coupling between the soft and hard phases. The highest coercivity of about 13.9 kOe is achieved in the Mo(50 nm)/Pr-Fe-B(50 nm)/Mo(2 nm)/Fe(2 nm)/Mo(2 nm)/Pr-Fe-B(50 nm)/Mo(50 nm) film and increasing the thickness of soft-magnetic layer results in a continuous decreasing of the coercivity.
引用
收藏
页码：2059 / 2062
页数：4
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