Magnetic anisotropy and magnetization reversal of ultrathin iron films with in-plane magnetization on Si(111) substrates

被引：0

作者：

刘郝亮 ^{[1
]}

何为 ^{[1
]}

杜海峰 ^{[1
]}

房亚鹏 ^{[1
]}

吴琼 ^{[1
]}

张向群 ^{[1
]}

杨海涛 ^{[1
]}

成昭华 ^{[1
]}

机构：

[1] State Key Laboratory of Magnetism and Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences

来源：

Chinese Physics B | 2012年 / 21卷 / 07期

基金：

中国国家自然科学基金;

关键词：

magnetic anisotropy; magnetization reversal; ultrathin film;

D O I：

暂无

中图分类号：

O484.43 [];

学科分类号：

080501 ; 1406 ;

摘要：

The magnetic anisotropy and magnetization reversal of single crystal Fe films with thickness of 45 monolayer (ML) grown on Si(111) have been investigated by ferromagnetic resonance (FMR) and vibrating sample magnetometer (VSM). Owing to the significant modification of the energy surface in remanent state by slight misorientation from (111) plane and a uniaxial magnetic anisotropy, the azimuthal angular dependence of in-plane resonance field shows a six-fold symmetry with a weak uniaxial contribution, while the remanence of hysteresis loops displays a two-fold one. The competition between the first and second magnetocrystalline anisotropies may result in the switching of in-plane easy axis of the system. Combining the FMR and VSM measurements, the magnetization reversal mechanism has also been determined.

引用

页码：9 / 14

页数：6

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