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

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dc.contributor.author Faraz, Ahmad
dc.contributor.author Maity, Tuhin
dc.contributor.author Schmidt, Michael
dc.contributor.author Deepak, Nitin
dc.contributor.author Roy, Saibal
dc.contributor.author Pemble, Martyn E.
dc.contributor.author Whatmore, Roger W.
dc.contributor.author Keeney, Lynette
dc.date.accessioned 2016-12-20T11:29:47Z
dc.date.available 2016-12-20T11:29:47Z
dc.date.issued 2016-11-02
dc.identifier.citation 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, 100(3), pp. 975-987. doi:10.1111/jace.14597 en
dc.identifier.volume 100
dc.identifier.issued 3
dc.identifier.startpage 975
dc.identifier.endpage 987
dc.identifier.issn 1551-2916
dc.identifier.uri http://hdl.handle.net/10468/3399
dc.identifier.doi 10.1111/jace.14597
dc.description.abstract Multiferroic 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.sponsorship Royal 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.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher John Wiley & Sons Ltd. 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.subject Multiferroics en
dc.subject Magnetoelectrics en
dc.subject Thin films en
dc.subject Ferroelectricity en
dc.subject Ferroelectric materials en
dc.subject Ferromagnetism en
dc.subject Ferromagnetic materials en
dc.title Direct visualization of magnetic-field-induced magnetoelectric switching in multiferroic Aurivillius phase thin films en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Lynette Keeney, Tyndall Photonics, University College Cork, Cork, Ireland. +353-21-490-3000 Email: lynette.keeney@tyndall.ie en
dc.internal.availability Full text available en
dc.check.info Access to this article is restricted until 12 months after publication by request of the publisher. en
dc.check.date 2017-11-02
dc.date.updated 2016-12-20T10:07:18Z
dc.description.version Accepted Version en
dc.internal.rssid 376419116
dc.contributor.funder Seventh Framework Programme en
dc.contributor.funder Royal Society en
dc.contributor.funder Science Foundation Ireland en
dc.contributor.funder Higher Education Authority en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Journal of The American Ceramic Society en
dc.internal.copyrightchecked Yes en
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress lynette.keeney@tyndall.ie en
dc.relation.project info: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


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