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Electrodeposited CoNiFeP soft-magnetic films for high-frequency applications

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dc.contributor.author Rhen, Fernando M.F.
dc.contributor.author Roy, Saibal
dc.date.accessioned 2010-09-03T10:29:18Z
dc.date.available 2010-09-03T10:29:18Z
dc.date.issued 2008
dc.identifier.uri http://hdl.handle.net/10344/516
dc.description peer-reviewed en_US
dc.description.abstract We have studied the influence of P and of plating current density on static/dynamic magnetic and electrical properties of CoNiFe high moment alloy. We found that morphology, electrical and magnetic properties of films with P content up to 10 at. % are quite different from those of pure CoNiFe. CoNiFeP morphology consists of a structure made of isolated islands with sizes varying between 10 and 50 μm. We indirectly obtained resistivity in this structure by using high-frequency magnetic measurements. Film composition is weakly dependent on plating current density for values larger than 10 mA cm-2. Coercivities increase up to 6400 A m-1 and magnetization saturation is reduced to 1.0 T in CoNiFeP films. The most remarkable effect of P addition to CoNiFe is the increase of resistivity over two order of magnitude with values of 5.2 x10[power]-5Ωm compared to 2.4 x10[power]-7Ωm of pure CoNiFe.We also found that the ferromagnetic resonance of CoNiFeP alloy is 3 GHz for sample with 10 at. % P and a performance factor (BF) of ~4x10[power]5 Ts-1, which is a better performance than bulk ferrite. en_US
dc.language.iso eng en_US
dc.publisher IEEE Computer Society en_US
dc.relation.ispartofseries IEEE Transactions on Magnetics;44/ 11/ pp 3917-3920
dc.relation.uri http://dx.doi.org/10.1109/TMAG.2008.2002254
dc.rights ©2008 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works.
dc.subject CoNiFeP en_US
dc.subject high resistivity en_US
dc.subject magnetic recording en_US
dc.subject power electronics en_US
dc.title Electrodeposited CoNiFeP soft-magnetic films for high-frequency applications en_US
dc.type Journal Article en_US
dc.type.supercollection all_ul_research en_US
dc.type.supercollection ul_published_reviewed en_US
dc.type.restriction none en
dc.contributor.sponsor EI
dc.contributor.sponsor SFI
dc.relation.projectid ILRP/05/PEIG/02B
dc.relation.projectid 06/IN.1/I98.


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