Volatile and nonvolatile magnetic easy-axis rotation in epitaxial ferromagnetic thin films on ferroelectric single crystal substrates

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dc.contributorVirginia Techen
dc.contributor.authorWang, Z.en
dc.contributor.authorWang, Y.en
dc.contributor.authorGe, Wenweien
dc.contributor.authorLi, J.en
dc.contributor.authorViehland, Dwight D.en
dc.contributor.departmentMaterials Science and Engineering (MSE)en
dc.date.accessed2014-01-10en
dc.date.accessioned2014-01-21T19:28:07Zen
dc.date.available2014-01-21T19:28:07Zen
dc.date.issued2013-09-01en
dc.description.abstractWe explored the relationship between phase transformation and magnetoelectric effect by depositing epitaxial CoFe2O4 films on < 110 > oriented Pb(Mg,Nb)O-3-PbTiO3 (PMN-PT) with three different PbTiO3 contents (PMN-28PT, PMN-29.5PT, and PMN-30PT). Electric-field controlled rhombohedral to orthorhombic phase transformation was confirmed by both piezoelectric and dielectric constant measurements. A giant in-plane (IP) uniaxial strain in CoFe2O4 film was induced due to dramatic lattice parameter change trigged by phase transition. Magnetic easy axis can be rotated from IP < 110 > to IP < 001 >. More importantly, the phase transformation could be either reversible or irreversible, resulting in either volatile or nonvolatile magnetic easy axis rotations. (C) 2013 AIP Publishing LLC.en
dc.description.sponsorshipU.S. Department of Energy DE-FG02-06ER46290en
dc.format.mimetypeapplication/pdfen
dc.identifier.citationWang, Z.; Wang, Y.; Ge, W.; et al., "Volatile and nonvolatile magnetic easy-axis rotation in epitaxial ferromagnetic thin films on ferroelectric single crystal substrates," Appl. Phys. Lett. 103, 132909 (2013); http://dx.doi.org/10.1063/1.4823539en
dc.identifier.doihttps://doi.org/10.1063/1.4823539en
dc.identifier.issn0003-6951en
dc.identifier.urihttp://hdl.handle.net/10919/24950en
dc.identifier.urlhttp://scitation.aip.org/content/aip/journal/apl/103/13/10.1063/1.4823539en
dc.language.isoen_USen
dc.publisherAIP Publishingen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectPiezoelectric propertiesen
dc.subjectHeterostructuresen
dc.subjectStrainen
dc.subjectBehavioren
dc.subjectVoltageen
dc.subjectPolarizationen
dc.subjectPhysicsen
dc.titleVolatile and nonvolatile magnetic easy-axis rotation in epitaxial ferromagnetic thin films on ferroelectric single crystal substratesen
dc.title.serialApplied Physics Lettersen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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