A generalized rule for large piezoelectric response in perovskite oxide ceramics and its application for design of lead-free compositions

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dc.contributorCenter for Energy Harvesting Materials and Systems (CEHMS)en
dc.contributorKorea University. Department of Materials Science and Engineeringen
dc.contributor.authorAhn, Cheol-Wooen
dc.contributor.authorMaurya, Deepamen
dc.contributor.authorPark, Chee-Sungen
dc.contributor.authorNahm, Sahnen
dc.contributor.authorPriya, Shashanken
dc.date.accessed2015-04-24en
dc.date.accessioned2015-05-04T20:06:13Zen
dc.date.available2015-05-04T20:06:13Zen
dc.date.issued2009-06-01en
dc.description.abstractWe present a general rule for the perovskite oxide ceramics: "A large piezoelectric constant in ABO(3) perovskite ceramics can be obtained by tuning the weight ratio of A and B sites, WA/WB or WB/WA, to 3. Piezoelectric constant decreases significantly when WA/WB or WB/WA is in the range of 0.5-2.0, termed as forbidden zone." A comparative analysis was conducted for broad range of materials demonstrating the applicability of proposed rule. Further based on this rule optimized compositions in BaTiO3 and alkali niobate based systems were developed. Polycrystalline ceramics in modified BaTiO3 system were found to exhibit longitudinal piezoelectric coefficient (d(33)) of 330 pC/N, while alkali niobate ceramics showed d(33) of 294 pC/N. (C) 2009 American Institute of Physics. [DOI: 10.1063/1.3142442]en
dc.format.mimetypeapplication/pdfen
dc.identifier.doihttps://doi.org/10.1063/1.3142442en
dc.identifier.issn0021-8979en
dc.identifier.urihttp://hdl.handle.net/10919/51994en
dc.identifier.urlhttp://scitation.aip.org/content/aip/journal/jap/105/11/10.1063/1.3142442en
dc.language.isoen_USen
dc.publisherAmerican Institute of Physicsen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectCeramicsen
dc.subjectPiezoelectricityen
dc.subjectOzoneen
dc.subjectDielectric oxidesen
dc.subjectPiezoelectric constantsen
dc.titleA generalized rule for large piezoelectric response in perovskite oxide ceramics and its application for design of lead-free compositionsen
dc.title.serialJournal of Applied Physicsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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