Magnetic properties of sputtered anisotropic Pr–Fe–B thin films with different structures and antiferromagnetic materials

被引：2

作者：

Fang Yang ^{[1
,2
]}

Wei Liu ^{[1
]}

ZhiDong Zhang ^{[1
]}

机构：

[1] Shenyang National Laboratory for Materials Science,Institute of Metal Research and International Centre for Materials Physics,Chinese Academy of Sciences

[2] Superconducting Materials Research Center,Northwest Institute for Nonferrous Metal Research

来源：

Rare Metals | 2016年 / 35卷 / 12期

关键词：

Magnetic materials; Thin films; Coercivity; Hysteresis loop; Sputtering;

D O I：

暂无

中图分类号：

TB383.2 [];

学科分类号：

070205 ; 080501 ; 1406 ;

摘要：

Anisotropic Pr–Fe–B films with soft-magnetic layer(Fe) and/or antiferromagnetic layer(Mn, Fe Mn or Mn O) were prepared by direct-current(DC) magnetron sputtering on Si(100) substrates heated at 650 °C. The influence of four types' different structures on the magnetic properties of Pr–Fe–B films was investigated.The phase and magnetic properties were characterized by means of X-ray diffraction(XRD) and superconducting quantum interference device(SQUID). Addition of antiferromagnetic layer enhances both the coercivity and the remanence ratios of Pr–Fe–B films with suitable structures. The interface number increases and the antiferromagnetic–ferromagnetic exchange interaction is likely to become stronger, which affect the improvement of magnetic properties. To further understand the influence of structures with soft-magnetic Fe layer and/or antiferromagnetic Fe Mn layer on the magnetic properties of Pr–Fe–B hard-magnetic films, the thickness of Pr–Fe–B layer was designed to decrease from 600 to 50 nm. The improvement of magnetic properties becomes obvious in Mo(50 nm)/Pr–Fe–B(25 nm)Mo(2 nm)Fe Mn(20 nm)Mo(2 nm)Pr–Fe–B(25 nm)/Mo(50 nm) film.

引用

页码：926 / 929

页数：4

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