Characterization of individual multifunctional nanoobjects with restricted geometry

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DOIResolve DOI: http://doi.org/10.1080/01411594.2012.722634
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TypeArticle
Proceedings titlePhase Transitions
ConferenceThe Third COST (European Cooperation in Science and Technology) MP0904 WG Workshop, 23-24 April 2012
ISSN0141-1594
Volume86
Issue7
Pages635650; # of pages: 16
SubjectAnisotropic nanostructures; Bismuth ferrites; Bismuth titanate; Electromechanical behavior; Ferroelectric nanostructures; Piezoelectric coefficient; Piezoresponse force microscopy; Restricted geometries; Anisotropy; Aspect ratio; Barium titanate; Bismuth; Ferroelectricity; Nanowires; Niobium oxide; Piezoelectricity; Scanning probe microscopy; Nanotubes
AbstractAnisotropic nanostructures such as nanowires (NWs)/nanotubes and nanometer-sized islands are the subject of intense research efforts due to several interesting phenomena observed to occur in confined geometries with a high aspect ratio and/or reduced size. Understanding and controlling the mechanical and electromechanical behaviors of these nanostructures are crucial for the practical implementation of such building blocks as active or passive components in nanodevices. Recent progresses toward the characterization of individual one-dimensional (NWs and nanotubes) and two-dimensional (islands) functional nanoscale objects of piezoelectric and ferroelectric (BaTiO3, Bi 4Ti3O12 (BiT), and NaNbO3) and multiferroics (BiFeO3 and Bi2FeCrO6 (BFCO)) are presented. These nanoobjects have been characterized using scanning probe microscopy-based techniques, combined with various modulation schemes for enhanced sensing capabilities. The most remarkable results include: ferroelectricity of NaNbO3/Nb2O5 nanotube heterostructures, negative piezoelectric coefficient in highly anisotropic BiT mesoscopic rods, and preservation of the multiferroic character of epitaxial BFCO nanoislands. © 2013 Copyright Taylor and Francis Group, LLC.
Publication date
LanguageEnglish
AffiliationNational Research Council Canada (NRC-CNRC); Automotive and Surface Transportation
Peer reviewedYes
NPARC number21271851
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Record identifierebd97702-4f0e-4f77-b288-032b5f3ba1cd
Record created2014-04-24
Record modified2016-05-09
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