Enhanced dc magnetic field sensitivity by improved flux concentration in magnetoelectric laminates

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dc.contributorVirginia Techen
dc.contributor.authorGao, Junqien
dc.contributor.authorGray, Daviden
dc.contributor.authorShen, Yingen
dc.contributor.authorLi, Jiefangen
dc.contributor.authorViehland, Dwight D.en
dc.contributor.departmentMaterials Science and Engineering (MSE)en
dc.date.accessed2014-01-10en
dc.date.accessioned2014-01-21T19:28:03Zen
dc.date.available2014-01-21T19:28:03Zen
dc.date.issued2011-10-01en
dc.description.abstractIn this letter, we present magnetostatic modeling results that show significant magnetic field concentration tunability through geometric modification of high-mu tnagnetostatic Metglas layers of laminate magnetoelectric (ME) sensors. Based on the modeling results, composite ME sensors were fabricated with longer Metglas foils and found to exhibit notably higher ME voltage coefficients at smaller DC magnetic biases in response to a 1 kHz driving signal. Such ME sensors have been used to detect DC magnetic field changes as small as 6 nT at 1 kHz, while maintaining a signal-to-noise ratio greater than 10. This represents an enhancement of similar to 250% relative to values previously reported for Metglas/Pb(Zr,Ti)O(3) laminates. (C) 2011 American Institute of Physics. [doi:10.1063/1.3650713]en
dc.description.sponsorshipDARPAen
dc.description.sponsorshipONRen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationGao, Junqi; Gray, David; Shen, Ying; et al., "Enhanced dc magnetic field sensitivity by improved flux concentration in magnetoelectric laminates," Appl. Phys. Lett. 99, 153502 (2011); http://dx.doi.org/10.1063/1.3650713en
dc.identifier.doihttps://doi.org/10.1063/1.3650713en
dc.identifier.issn0003-6951en
dc.identifier.urihttp://hdl.handle.net/10919/24918en
dc.identifier.urlhttp://scitation.aip.org/content/aip/journal/apl/99/15/10.1063/1.3650713en
dc.language.isoen_USen
dc.publisherAIP Publishingen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectPhysicsen
dc.titleEnhanced dc magnetic field sensitivity by improved flux concentration in magnetoelectric laminatesen
dc.title.serialApplied Physics Lettersen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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