Room temperature multiferroic effects in superlattice nanocapacitors

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dc.contributorVirginia Techen
dc.contributor.authorDussan, S.en
dc.contributor.authorKumar, Amiten
dc.contributor.authorScott, J. F.en
dc.contributor.authorPriya, Shashanken
dc.contributor.authorKatiyar, Ram S.en
dc.contributor.departmentMechanical Engineeringen
dc.date.accessed2014-01-17en
dc.date.accessioned2014-01-28T18:00:17Zen
dc.date.available2014-01-28T18:00:17Zen
dc.date.issued2010-12-01en
dc.description.abstractA composite nanocapacitor was fabricated based on ferroelectric PbZr(0.52)Ti(0.48)O(3)( PZT) and half-metallic oxide La(0.67)Sr(0.33)MnO(3)(LSMO) with 5 nm/l nm periodicity, respectively. X-ray theta-2 theta scan and Phi-scan revealed epitaxial growth of nanocapacitors. At room temperature, a microscopic polarization of 11 mu C/cm(2) and magnetization of 50 emu/cm(3) were measured for superlattice nanocapacitors. Local piezo force microscopy measurements revealed switching of polarization under external bias field confirming ferroelectric behavior. Zero field cooling measurements showed the existence of cusp in magnetization at low temperatures indicating spin-glass-like behavior contrary to Pb( Zr(x)Ti(1-x))O(3) /La(x)Sr(1-x)MnO(3) bilayer structure. Frequency dependent dielectric anomaly was observed near room temperature suggesting dynamic magneto (resistance)-dielectric coupling. (C) 2010 American Institute of Physics. [doi:10.1063/1.3528210]en
dc.description.sponsorshipDOE FG 02-08ER46526, NSF-RII-0701-525en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationDussan, S.; Kumar, A.; Scott, J. F.; et al., "Room temperature multiferroic effects in superlattice nanocapacitors," Appl. Phys. Lett. 97, 252902 (2010); http://dx.doi.org/10.1063/1.3528210en
dc.identifier.doihttps://doi.org/10.1063/1.3528210en
dc.identifier.issn0003-6951en
dc.identifier.urihttp://hdl.handle.net/10919/25199en
dc.identifier.urlhttp://scitation.aip.org/content/aip/journal/apl/97/25/10.1063/1.3528210en
dc.language.isoen_USen
dc.publisherAIP Publishingen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectMagnetic ferroelectricsen
dc.subjectThin filmsen
dc.subjectMagnetoresistanceen
dc.subjectMemoriesen
dc.subjectPhysicsen
dc.titleRoom temperature multiferroic effects in superlattice nanocapacitorsen
dc.title.serialApplied Physics Lettersen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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