A monoclinic-tetragonal ferroelectric phase transition in lead-free (K0.5Na0.5)NbO3-xLiNbO3 solid solution

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dc.contributorVirginia Tech. Department of Materials Science and Engineeringen
dc.contributorArgonne National Laboratoryen
dc.contributorShandong University. School of Physics. State Key Laboratory of Crystal Materialsen
dc.contributor.authorGe, Wenweien
dc.contributor.authorRen, Yangen
dc.contributor.authorZhang, Jialiangen
dc.contributor.authorDevreugd, Christopher P.en
dc.contributor.authorLi, Jiefangen
dc.contributor.authorViehland, Dwight D.en
dc.contributor.departmentMaterials Science and Engineering (MSE)en
dc.date.accessed2015-04-24en
dc.date.accessioned2015-05-21T19:47:29Zen
dc.date.available2015-05-21T19:47:29Zen
dc.date.issued2012-05-15en
dc.description.abstractA monoclinic ferroelectric phase with space group Pm has been discovered in lead-free (K0.5Na0.5)NbO3-5%LiNbO3 solid solution ceramics by high energy synchrotron x-ray powder diffraction measurements. At ambient temperature, the lattice parameters of this monoclinic structure were (a(m), b(m), c(m); beta) = (4.015 angstrom, 3.944 angstrom, 3.987 angstrom; 90.34 degrees). This monoclinic phase transformed to a tetragonal (P4mm) one on heating between 340 K and 360K. The results demonstrate the presence of structurally bridging low symmetry monoclinic phase in (K0.5Na0.5)NbO3-x%LiNbO3 solid solution system: indicating a means to achieve high piezoelectricity in Pb-free systems via domain engineering. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4716027]en
dc.description.sponsorshipUnited States. Department of Energy - Grant No. DE-FG02-07ER46480en
dc.description.sponsorshipNational Science Foundation (U.S.). Division of Materials Research. Materials World Network - Grant No. DMR-0806592en
dc.description.sponsorshipSpecialized Research Fund for the Doctoral Program of Higher Education - Grant No. 20090131110015en
dc.description.sponsorshipUnited States. Department of Energy. Office of Basic Energy Sciences - Contract No. DE-AC02-06CH11357en
dc.format.extent7 pagesen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationGe, Wenwei, Ren, Yang, Zhang, Jialiang, Devreugd, Christopher P., Li, Jiefang, Viehland, D. (2012). A monoclinic-tetragonal ferroelectric phase transition in lead-free (K0.5Na0.5)NbO3-x%LiNbO3 solid solution. Journal of Applied Physics, 111(10). doi: 10.1063/1.4716027en
dc.identifier.doihttps://doi.org/10.1063/1.4716027en
dc.identifier.issn0021-8979en
dc.identifier.urihttp://hdl.handle.net/10919/52462en
dc.identifier.urlhttp://scitation.aip.org/content/aip/journal/jap/111/10/10.1063/1.4716027en
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.subjectX-ray diffractionen
dc.subjectCrystal structuresen
dc.subjectLattice constantsen
dc.subjectSodiumen
dc.titleA monoclinic-tetragonal ferroelectric phase transition in lead-free (K0.5Na0.5)NbO3-xLiNbO3 solid solutionen
dc.title.serialJournal of Applied Physicsen
dc.typeArticle - Refereeden
dc.type.dcmitypeTexten

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