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Achieving large electric-field-induced strain in lead-free piezoelectrics
Tung, Patrick; Daniels, John E.; Major, Marton; Schneider, Deborah; Chen, Richard; Luo, Haosu; Granzow, Torsten
2019
Source PublicationMATERIALS RESEARCH LETTERS
ISSN2166-3831
Volume7Issue:5Pages:173
SubtypeArticle
AbstractLead-free piezoelectric single crystals of Fe-doped 0.95(Bi1/2Na1/2)TiO3-0.05BaTiO(3) are shown to combine multiple mechanisms for high strain and an effective piezoelectric coefficient of up to 3260pm/V. This is explained based on the analysis of superstructure reflections from diffuse synchrotron x-ray scattering. It depends on three factors: (1) the stabilization of a local tetragonal structure by (Fe'-)(center dot) defect dipoles, (2) the reversible creation of a morphotropic phase boundary under field, and (3) the field-induced reversible transition between a short-range ordered relaxor and a long-range ordered ferroelectric state. [GRAPHICS] . IMPACT STATEMENTThe observation that a combination of three different physical mechanisms produces unprecedently high piezoelectric response in a lead-free piezoelectric presents a breakthrough in the fundamental understanding of optimizing piezoelectric properties.
KeywordPiezoelectricity relaxor ferroelectrics field-induced phase transitions
DOI10.1080/21663831.2019.1570979
Language英语
WOS Research AreaMaterials Science
PublisherTAYLOR & FRANCIS INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/27418
Collection中国科学院上海硅酸盐研究所
Recommended Citation
GB/T 7714
Tung, Patrick,Daniels, John E.,Major, Marton,et al. Achieving large electric-field-induced strain in lead-free piezoelectrics[J]. MATERIALS RESEARCH LETTERS,2019,7(5):173.
APA Tung, Patrick.,Daniels, John E..,Major, Marton.,Schneider, Deborah.,Chen, Richard.,...&Granzow, Torsten.(2019).Achieving large electric-field-induced strain in lead-free piezoelectrics.MATERIALS RESEARCH LETTERS,7(5),173.
MLA Tung, Patrick,et al."Achieving large electric-field-induced strain in lead-free piezoelectrics".MATERIALS RESEARCH LETTERS 7.5(2019):173.
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