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Remanence analysis of sub-micron MTJ cell with CoFe/NiFe free layer

Authors
Kim T.Hwang I.Park W.Noh J.Hwang J.Y.Kim M.Y.Kim S.S.Rhee J.R.
Issue Date
Dec-2004
Citation
Physica Status Solidi C: Conferences, v.1, no.12, pp 3538 - 3541
Pages
4
Journal Title
Physica Status Solidi C: Conferences
Volume
1
Number
12
Start Page
3538
End Page
3541
URI
https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/16117
DOI
10.1002/pssc.200405499
ISSN
1610-1634
Abstract
We investigate switching properties of patterned sub-micron magnetic tunnel junctions (MTJs) incorporating NiFe and CoFe free layers of different thickness through magnetotransport measurements. The remanent state measurements can separate respective effect of 2π-domain wall, vortex, and multi-domain formation on non-uniform R-H curve of MTJ free layer. The reduction of CoFe insertion layer thickness leads to the suppression of vortex magnetization during switching. 0© 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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