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Article: Anisotropic mechanism on distinct transition modes of tip-activated multipolorizaion switching in epitaxial BiFeO 3 films

TitleAnisotropic mechanism on distinct transition modes of tip-activated multipolorizaion switching in epitaxial BiFeO 3 films
Authors
Shi, YPSoh, AKWeng, GJ
KeywordsDomain wall width
Experimental data
Ferroelastic domains
Inhomogeneities
Magnetoelectric couplings
Issue Date2011
PublisherAmerican Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jsp
Citation
Journal of Applied Physics, 2011, v. 109 n. 2, article no. 024102 How to Cite?
DOI: http://dx.doi.org/10.1063/1.3532001
AbstractBased on the extended Kittel's law, an anisotropic mechanism has been developed to investigate the complex multipolarization switching in (001) and (110) epitaxial BiFeO 3 films, under a biased-tip field. Switching inhomogeneity and domain wall width evolution have been specifically accounted for. It has been found that distinct switching modes, i.e., the breakdown mode of 71°-switched domain and the activation mode of 180°/ 109°switching, exist and dominate the switching orders within switching process. Our predicted switching orders show excellent agreements with the existing experimental data and phase-field results. A two-step procedure is also proposed to fabricate single-phase 71°ferroelastic domain array of controllable density using (001) BiFeO 3 films, which is favored in practice to significantly enhance the magnetoelectric coupling and photovoltage. © 2011 American Institute of Physics.
Persistent Identifierhttp://hdl.handle.net/10722/137352
ISSN
0021-8979
2021 Impact Factor: 2.877
2020 SCImago Journal Rankings: 0.699
ISI Accession Number ID
WOS:000286896400075
Funding AgencyGrant Number
Research Grants Council of the Hong Kong Special Administrative RegionHKU716007E
716508E
NSFCMS 0510409
University of Hong Kong
Funding Information:

Support from the Research Grants Council of the Hong Kong Special Administrative Region (Project Nos. HKU716007E and 716508E) is acknowledged. G.J.W. acknowledges the support of NSF Grant No. CMS 0510409 and the University of Hong Kong Visiting Research Professor Scheme.

References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorShi, YPen_HK
dc.contributor.authorSoh, AKen_HK
dc.contributor.authorWeng, GJen_HK
dc.date.accessioned2011-08-26T14:23:37Z-
dc.date.available2011-08-26T14:23:37Z-
dc.date.issued2011en_HK
dc.identifier.citationJournal of Applied Physics, 2011, v. 109 n. 2, article no. 024102-
dc.identifier.issn0021-8979en_HK
dc.identifier.urihttp://hdl.handle.net/10722/137352-
dc.description.abstractBased on the extended Kittel's law, an anisotropic mechanism has been developed to investigate the complex multipolarization switching in (001) and (110) epitaxial BiFeO 3 films, under a biased-tip field. Switching inhomogeneity and domain wall width evolution have been specifically accounted for. It has been found that distinct switching modes, i.e., the breakdown mode of 71°-switched domain and the activation mode of 180°/ 109°switching, exist and dominate the switching orders within switching process. Our predicted switching orders show excellent agreements with the existing experimental data and phase-field results. A two-step procedure is also proposed to fabricate single-phase 71°ferroelastic domain array of controllable density using (001) BiFeO 3 films, which is favored in practice to significantly enhance the magnetoelectric coupling and photovoltage. © 2011 American Institute of Physics.en_HK
dc.languageengen_US
dc.publisherAmerican Institute of Physics. The Journal's web site is located at http://jap.aip.org/jap/staff.jspen_HK
dc.relation.ispartofJournal of Applied Physicsen_HK
dc.rightsCopyright 2011 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. The following article appeared in Journal of Applied Physics, 2011, v. 109 n. 2, article no. 024102 and may be found at https://doi.org/10.1063/1.3532001-
dc.subjectDomain wall width-
dc.subjectExperimental data-
dc.subjectFerroelastic domains-
dc.subjectInhomogeneities-
dc.subjectMagnetoelectric couplings-
dc.titleAnisotropic mechanism on distinct transition modes of tip-activated multipolorizaion switching in epitaxial BiFeO 3 filmsen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0021-8979&volume=109&issue=2, article no. 024102&spage=&epage=&date=2011&atitle=Anisotropic+mechanism+on+distinct+transition+modes+of+tip-activated+multipolorizaion+switching+in+epitaxial+BiFeO3+films-
dc.identifier.emailSoh, AK:aksoh@hkucc.hku.hken_HK
dc.identifier.authoritySoh, AK=rp00170en_HK
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1063/1.3532001en_HK
dc.identifier.scopuseid_2-s2.0-79551673380en_HK
dc.identifier.hkuros191565en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-79551673380&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume109en_HK
dc.identifier.issue2en_HK
dc.identifier.spagearticle no. 024102-
dc.identifier.epagearticle no. 024102-
dc.identifier.isiWOS:000286896400075-
dc.publisher.placeUnited Statesen_HK
dc.identifier.scopusauthoridShi, YP=12345267700en_HK
dc.identifier.scopusauthoridSoh, AK=7006795203en_HK
dc.identifier.scopusauthoridWeng, GJ=7006124528en_HK
dc.identifier.issnl0021-8979-

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