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

Abstract:
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.
Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1063/1.3522653

Authors


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Institution:
University of Oxford
Role:
Author
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Name:
National Natural Science Foundation of China
Grant:
50972163
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Name:
National Basic Research Program of China
Grant:
2009CB929203
More from this funder
Name:
National High Technology Research and Development Program 863
Grant:
2007AA032310
Publisher:
American Institute of Physics
Journal:
Applied Physics Letters More from this journal
Volume:
97
Issue:
22
Article number:
222504
Publication date:
2010-11-01
DOI:
ISSN:
0003-6951
Language:
English
Pubs id:
pubs:355728
UUID:
uuid:fb824d94-7f9b-456c-a82d-1aef9eaf6f86
Local pid:
pubs:355728
Source identifiers:
355728
Deposit date:
2013-09-26

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