Critical switching current and thermal stability of magnetic tunnel junctions with uncompensated CoFeB/Ru/CoFeB synthetic free layers

Title
Critical switching current and thermal stability of magnetic tunnel junctions with uncompensated CoFeB/Ru/CoFeB synthetic free layers
Authors
이태영안치의민병철신경호이종민이경진임상호박승영조영훈Ju"rgen LangerBerthold OckerWolfram Maass
Issue Date
2013-03
Publisher
Journal of applied physics
Citation
VOL 113, NO 9, 093906-1-093906-5
Abstract
The critical switching current and thermal stability parameter are investigated for magnetic tunnel junctions with uncompensated synthetic ferrimagnetic free layers. The parameters are obtained by analyzing the experimental results for the thermally activated magnetization switching probability as functions of both a bias current and an applied magnetic field. The analysis is greatly facilitated by the use of an analytical equation for the applied magnetic field dependence of the energy barrier. A figure of merit given by the ratio of the two parameters differs substantially depending on the direction of the magnetization switching.
URI
http://pubs.kist.re.kr/handle/201004/44588
ISSN
00218979
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KIST Publication > Article
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