Large enhancement of the anomalous Hall effect in Co/Pt multilayers sandwiched by MgO layers

被引：53
|
作者：
Zhang, S. L. [1 ]
Teng, J. [1 ]
Zhang, J. Y. [1 ]
Liu, Y. [1 ]
Li, J. W. [1 ]
Yu, G. H. [1 ]
Wang, S. G. [2 ]
机构：
[1] Univ Sci & Technol Beijing, Dept Mat Phys & Chem, Beijing 100083, Peoples R China
[2] Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100190, Peoples R China
来源：
APPLIED PHYSICS LETTERS | 2010年 / 97卷 / 22期
基金：
中国国家自然科学基金;
关键词：
ALLOYS; FILMS;
D O I：
10.1063/1.3522653
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report a large enhanced anomalous Hall effect (AHE) in the Co/Pt multilayers sandwiched by two MgO layers. The Hall resistivity (rho(xy)) was over an order of magnitude larger than that in pure Co/Pt multilayers. By optimizing the thickness of MgO layers, a high field sensitivity value of 2445 V/A T for Hall sensors was achieved. The enhancement of AHE is mainly attributed to the MgO-Pt interfacial effect. (C) 2010 American Institute of Physics. [doi:10.1063/1.3522653]
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页数：3
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