Chemically manipulated anomalous Hall effect and perpendicular magnetic anisotropy in Co/Pt multilayers

被引：11

作者：

Jiang, Shao-Long ^{[1
]}

Chen, Xi ^{[1
]}

Zhang, Jing-Yan ^{[1
]}

Yang, Guang ^{[1
]}

Teng, Jiao ^{[1
]}

Li, Xu-Jing ^{[1
]}

Cao, Yi ^{[1
]}

Zhao, Zhi-Duo ^{[1
]}

Yang, Kang ^{[1
]}

Liu, Yang ^{[1
]}

Yu, Guang-Hua ^{[1
]}

机构：

[1] Univ Sci & Technol Beijing, Dept Mat Phys & Chem, Beijing 100083, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2014年 / 320卷

关键词：

Anomalous Hall effect; Perpendicular magnetic anisotropy; Interface chemical states; X-ray photoelectron spectroscopy;

D O I：

10.1016/j.apsusc.2014.09.021

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：

Chemically manipulated anomalous Hall effect (AHE) and perpendicular magnetic anisotropy (PMA) have been studied in MgO/[Co/Pt](3)/MgO multilayers by introducing a Mg metal layer between the Co layer and the top MgO layer. It is shown that the saturation anomalous Hall resistivity (pAH) and effective magnetic anisotropy (rho(AH)) are 125% and 26% larger than those in the multilayers without Mg insertion, respectively. The X-ray photoelectron spectroscopy (XPS) analysis shows that the enhancement of AHE and PMA is primarily ascribed to effective control of chemical states at the Co/MgO interface. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：263 / 266

页数：4

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