Dielectric and tunability properties of the Pb(Mg1/3Nb2/3)1-xZrxO3 ceramics
| dc.contributor.author | Peng, Biaolin | - |
| dc.contributor.author | Fan, Huiqing | - |
| dc.contributor.author | Li, Q | - |
| dc.contributor.author | Zhang, Qi | - |
| dc.date.accessioned | 2014-09-25T04:00:55Z | |
| dc.date.available | 2014-09-25T04:00:55Z | |
| dc.date.issued | 2013-02-05T00:00:00Z | - |
| dc.description.abstract | Pure perovskite Pb(Mg1/3Nb2/3)0.8(Sc1/2Nb1/2)0.2O3 ceramics was prepared via a modified “columbite-type” method. The 1:1 B-site ordered structure of Pb(Sc1/2Nb1/2)O3 was detected by XRD and TEM. The dielectric relaxor behavior was described by a Lorentz relation. The dielectric tunability properties were investigated at 300K and 10 kHz. The results show that the ceramics possesses high dielectric tunability (~ 75% at 30 kV/cm), low dielectric loss (~ 0.003) and high figure of merit (~ 250), indicating that it is a promising tunable material. The high dielectric nonlinear behavior was illustrated by employing the Landau-Ginsberg-Devonshire thermodynamic theory and a multipolarization mechanism model. The results indicate that the high non-linearity is related to the contributions of the “extrinsic” polarizations such as the polar nanoregions and nanometer domain wall motions, etc., in addition to the contribution of the “intrinsic” lattice phonon polarization. | en_UK |
| dc.identifier.citation | Biaolin Peng, Huiqing Fan, Qi Zhang. Dielectric and tunability properties of the Pb(Mg1/3Nb2/3)1-xZrxO3 ceramics. Journal of Alloys and Compounds, Volume 549, 5 February 2013, Pages 283–287. | |
| dc.identifier.issn | 0925-8388 | - |
| dc.identifier.uri | http://dx.doi.org/10.1016/j.jallcom.2012.09.001 | - |
| dc.identifier.uri | http://dspace.lib.cranfield.ac.uk/handle/1826/8700 | |
| dc.language.iso | en_UK | - |
| dc.publisher | Elsevier Science B.V., Amsterdam. | en_UK |
| dc.rights | NOTICE: this is the author’s version of a work that was accepted for publication in Journal of Alloys and Compounds. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Journal of Alloys and Compounds, Volume 549, 5 February 2013, Pages 283–287. DOI:10.1016/j.jallcom.2012.09.001 | |
| dc.title | Dielectric and tunability properties of the Pb(Mg1/3Nb2/3)1-xZrxO3 ceramics | en_UK |
| dc.type | Article | - |