Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.commatsci.2008.01.019
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dc.titleAngular dependence of magnetic reversal in two-phased nanolayers
dc.contributor.authorZhao, G.P.
dc.contributor.authorZhou, G.
dc.contributor.authorZhang, H.W.
dc.contributor.authorFeng, Y.P.
dc.contributor.authorXian, C.W.
dc.contributor.authorZhang, Q.X.
dc.date.accessioned2014-10-16T09:15:50Z
dc.date.available2014-10-16T09:15:50Z
dc.date.issued2008-11
dc.identifier.citationZhao, G.P., Zhou, G., Zhang, H.W., Feng, Y.P., Xian, C.W., Zhang, Q.X. (2008-11). Angular dependence of magnetic reversal in two-phased nanolayers. Computational Materials Science 44 (1) : 117-121. ScholarBank@NUS Repository. https://doi.org/10.1016/j.commatsci.2008.01.019
dc.identifier.issn09270256
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/95789
dc.description.abstractThe reversal process of hard/soft/hard multilayer systems as functions of easy axis β and thickness Ls of the soft layer has been investigated within a micromagnetic approach. The nucleation field could be obtained for β = 0 and β = π/2 which decreases as Ls increases. The coercivity, on the other hand, decrease smoothly with the soft layer thickness disregarding to the value of β. The coercivity becomes the largest when β = π/2, while the corresponding nucleation field becomes negative for larger Ls. Thus the change of the magnetization proceeds slower for β = π/2, giving rise to an oblique hysteresis loop. In addition, the critical thickness for the soft layer is rather small, where the dominant coercivity mechanism changes from nucleation to pinning, suggesting that pinning is the main coercivity mechanism in the material. When β is an angle between 0 and π/2, a fully saturated state can never be reached. Thus the pure nucleation becomes meaningless and pinning is the dominant coercivity mechanism. © 2008 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.commatsci.2008.01.019
dc.sourceScopus
dc.subjectAngular dependence
dc.subjectCoercivity mechanism
dc.subjectExchange-coupling
dc.subjectMicromagnetics
dc.subjectPermanent magnets
dc.typeArticle
dc.contributor.departmentPHYSICS
dc.description.doi10.1016/j.commatsci.2008.01.019
dc.description.sourcetitleComputational Materials Science
dc.description.volume44
dc.description.issue1
dc.description.page117-121
dc.description.codenCMMSE
dc.identifier.isiut000261392800023
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