{"title":"Importance of a High Shear Coefficient to the Piezoelectric Properties of Domain-Engineered Crystals and Ceramics","authors":"M. Davis, M. Budimir, D. Damjanovic, N. Setter","doi":"10.1109/ISAF.2006.4387887","DOIUrl":null,"url":null,"abstract":"The importance of a high shear coefficient d15 to the piezoelectric properties of domain-engineered perovskite crystals is discussed. The terms \"rotator\" and \"extender\" are introduced to differentiate the contrasting behaviors of 4mm BaTiO3 and PbTiO3. In \"rotator\" ferroelectrics, where d15 is high, polarization rotation is the dominant mechanism of piezoelectric response; in \"extender\" ferroelectrics d15 is low and the collinear effect dominates. Large shear coefficients can be expected close to ferroelectric-ferroelectric phase transitions; this includes morphotropic phase boundaries. The differing piezoelectric properties of rotator and extender domain-engineered single crystals are discussed.","PeriodicalId":441219,"journal":{"name":"2006 15th ieee international symposium on the applications of ferroelectrics","volume":"87 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2006-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2006 15th ieee international symposium on the applications of ferroelectrics","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ISAF.2006.4387887","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The importance of a high shear coefficient d15 to the piezoelectric properties of domain-engineered perovskite crystals is discussed. The terms "rotator" and "extender" are introduced to differentiate the contrasting behaviors of 4mm BaTiO3 and PbTiO3. In "rotator" ferroelectrics, where d15 is high, polarization rotation is the dominant mechanism of piezoelectric response; in "extender" ferroelectrics d15 is low and the collinear effect dominates. Large shear coefficients can be expected close to ferroelectric-ferroelectric phase transitions; this includes morphotropic phase boundaries. The differing piezoelectric properties of rotator and extender domain-engineered single crystals are discussed.
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