Affiliation:
1. Capital Normal University
2. Institute of physics and Beijing National Laboratory for Condensed Matter Physics
Abstract
The perpendicular magnetic anisotropy (PMA) in as-deposited [CoFeB/Pt]n multilayers has been studied by using extraordinary Hall effect (EHE). A clear PMA has been observed in the ultrathin (~ 0.5 nm) amorphous CoFeB layer sandwiched by Pt. Moreover, PMA in as-deposited [CoFeB/Pt]n multilayers is strongly dependent on the thickness of CoFeB and Pt and the number of CoFeB/Pt bilayers. With the increasing thickness of CoFeB and the number of CoFeB/Pt bilayers, the hysteresis loops change from rectangle into bow-tie shaped.
Publisher
Trans Tech Publications, Ltd.
Subject
Mechanical Engineering,Mechanics of Materials,Condensed Matter Physics,General Materials Science
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