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Title: Influence of interlayer thickness on high-frequency magnetic properties of FeCoSiN/AlO/FeCoSiN trilayers
Authors: Xu, F.
Liao, Z.
Huang, Q.
Ong, C.K. 
Li, S.
Keywords: Interlayer
permeability spectra
soft magnetic thin film
Issue Date: Oct-2011
Citation: Xu, F., Liao, Z., Huang, Q., Ong, C.K., Li, S. (2011-10). Influence of interlayer thickness on high-frequency magnetic properties of FeCoSiN/AlO/FeCoSiN trilayers. IEEE Transactions on Magnetics 47 (10) : 3100-3103. ScholarBank@NUS Repository.
Abstract: In this paper, we investigate the static magnetic properties and high-frequency permeability spectra of as-sputtered FeCoSiN/AlO/FeCoSiN trilayer films and discuss their dependences on the thickness of AlO interlayer, based on the phenomenological Landau-Lifshitz-Gilbert equation. The hysteresis loops show that the interlayer effectively decreases the coercivities of trilayers in the thickness range between 3 and 10 nm. The effective anisotropy field obtained from the fitting of permeability spectra increases with the interlayer thickness to saturation. The dependence of damping factor on the interlayer thickness has a maximum. It is attributed to the Néel couplings at the thicker interlayer range and the strong ferromagnetic couplings at the thinner interlayer range. © 2011 IEEE.
Source Title: IEEE Transactions on Magnetics
ISSN: 00189464
DOI: 10.1109/TMAG.2011.2154376
Appears in Collections:Staff Publications

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