TITLE

Analytical/numerical calculation of the thermal stability factor in nanostructured exchange-coupled trilayers

AUTHOR(S)
Seul Gee Lee; Lim, S. H.
PUB. DATE
September 2010
SOURCE
Applied Physics Letters;9/6/2010, Vol. 97 Issue 10, p102501
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
An analytical/numerical method is used to calculate the thermal stability factor in nanostructured cells of exchange-coupled (either ferromagnetically or antiferromagnetically) trilayers. The method is then critically tested by comparing the calculated results with reliable experimental results reported recently in the literature [S. Yakata, H. Kubota, T. Sugano, T. Seki, K. Yakushiji, A. Fukushima, S. Yuasa, and K. Ando, Appl. Phys. Lett. 95, 242504 (2009)]. The accuracy of the method is confirmed by the excellent agreement for an antiferromagnetically coupled trilayer. For a ferromagnetically coupled trilayer, the comparison indicates a very weak interlayer exchange coupling (0.052 erg/cm2) between the two magnetic layers where the magnetization switching occurs in the via antiparallel mode.
ACCESSION #
53507820

 

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