Direct visualization of magnetic-field-induced magnetoelectric switching in multiferroic Aurivillius phase thin films

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dc.contributor.authorFaraz, Ahmad
dc.contributor.authorMaity, Tuhin
dc.contributor.authorSchmidt, Michael
dc.contributor.authorDeepak, Nitin
dc.contributor.authorRoy, Saibal
dc.contributor.authorPemble, Martyn E.
dc.contributor.authorWhatmore, Roger W.
dc.contributor.authorKeeney, Lynette
dc.contributor.funderSeventh Framework Programmeen
dc.contributor.funderRoyal Societyen
dc.contributor.funderScience Foundation Irelanden
dc.contributor.funderHigher Education Authorityen
dc.date.accessioned2016-12-20T11:29:47Z
dc.date.available2016-12-20T11:29:47Z
dc.date.issued2016-11-02
dc.date.updated2016-12-20T10:07:18Z
dc.description.abstractMultiferroic materials displaying coupled ferroelectric and ferromagnetic order parameters could provide a means for data storage whereby bits could be written electrically and read magnetically, or vice versa. Thin films of Aurivillius phase Bi6Ti2.8Fe1.52Mn0.68O18, previously prepared by a chemical solution deposition (CSD) technique, are multiferroics demonstrating magnetoelectric coupling at room temperature. Here, we demonstrate the growth of a similar composition, Bi6Ti2.99Fe1.46Mn0.55O18, via the liquid injection chemical vapor deposition technique. High-resolution magnetic measurements reveal a considerably higher in-plane ferromagnetic signature than CSD grown films (MS = 24.25 emu/g (215 emu/cm3), MR = 9.916 emu/g (81.5 emu/cm3), HC = 170 Oe). A statistical analysis of the results from a thorough microstructural examination of the samples, allows us to conclude that the ferromagnetic signature can be attributed to the Aurivillius phase, with a confidence level of 99.95%. In addition, we report the direct piezoresponse force microscopy visualization of ferroelectric switching while going through a full in-plane magnetic field cycle, where increased volumes (8.6 to 14% compared with 4 to 7% for the CSD-grown films) of the film engage in magnetoelectric coupling and demonstrate both irreversible and reversible magnetoelectric domain switching.en
dc.description.sponsorshipRoyal Society and Science Foundation Ireland (University Research Fellowship UF 140263); Science Foundation Ireland (Grant SFI 13/TIDA/I2728; FORME Strategic Research Cluster Award number 07/SRC/I1172); Higher Education Authority (PRTLI 3, HEA PRTLI4 and Project INSPIRE)en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationFaraz, A., Maity, T., Schmidt, M., Deepak, N., Roy, S., Pemble, M. E., Whatmore, R. W. and Keeney, L. (2016), ‘Direct visualization of magnetic-field-induced magnetoelectric switching in multiferroic Aurivillius phase thin films’, Journal of the American Ceramic Society, 100(3), pp. 975-987. doi:10.1111/jace.14597en
dc.identifier.doi10.1111/jace.14597
dc.identifier.endpage987
dc.identifier.issn1551-2916
dc.identifier.issued3
dc.identifier.journaltitleJournal of The American Ceramic Societyen
dc.identifier.startpage975
dc.identifier.urihttps://hdl.handle.net/10468/3399
dc.identifier.volume100
dc.language.isoenen
dc.publisherJohn Wiley & Sons Ltd.en
dc.relation.projectinfo:eu-repo/grantAgreement/NSF/Directorate for Biological Sciences::Division of Biological Infrastructure/0215820/US/MRI: Acquisition of Microscopy Instrumentation for Multi-Disciplinary Research and Research Training/en
dc.rights© 2016, The American Ceramic Society. This is the peer reviewed version of the following article: Faraz, A., Maity, T., Schmidt, M., Deepak, N., Roy, S., Pemble, M. E., Whatmore, R. W. and Keeney, L. (2016), ‘Direct visualization of magnetic-field-induced magnetoelectric switching in multiferroic aurivillius phase thin films’, Journal of the American Ceramic Society, which has been published in final form at http://dx.doi.org/10.1111/jace.14597. This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Self-Archiving.en
dc.subjectMultiferroicsen
dc.subjectMagnetoelectricsen
dc.subjectThin filmsen
dc.subjectFerroelectricityen
dc.subjectFerroelectric materialsen
dc.subjectFerromagnetismen
dc.subjectFerromagnetic materialsen
dc.titleDirect visualization of magnetic-field-induced magnetoelectric switching in multiferroic Aurivillius phase thin filmsen
dc.typeArticle (peer-reviewed)en
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