Achieving large electric-field-induced strain in lead-free piezoelectrics

Patrick Tung; John E. Daniels; Márton Major; Deborah Schneider; Richard Chen; Haosu Luo; Torsten Granzow

doi:10.1080/21663831.2019.1570979

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Achieving large electric-field-induced strain in lead-free piezoelectrics

Original Report | 更新时间：2026-08-19

- Achieving large electric-field-induced strain in lead-free piezoelectrics
- Materials Research Letters Vol. 7, Issue 5, Pages: 173-179(2019)
- 作者机构：
  
  1. School of Materials Science and Engineering University of New South Wales
  2. Institute of Materials Science Technische Universität Darmstadt Darmstadt Germany
  3. Wigner Research Centre for Physics RMKI
  4. Institute of Materials Science Technische Universität Darmstadt
  5. Shanghai Institute of Ceramics
  6. MRT Department Luxembourg Institute of Science & Technology
- 作者简介：
- 基金信息：
- DOI：10.1080/21663831.2019.1570979
  CLC：
- Online First：11 February 2019，
  
  Published：2019
- 稿件说明：
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Patrick Tung, John E. Daniels, Márton Major, et al. Achieving large electric-field-induced strain in lead-free piezoelectrics[J]. Materials Research Letters, 2019, 7(5): 173-179.
DOI：

Patrick Tung, John E. Daniels, Márton Major, et al. Achieving large electric-field-induced strain in lead-free piezoelectrics[J]. Materials Research Letters, 2019, 7(5): 173-179. DOI： 10.1080/21663831.2019.1570979.

摘要

Abstract

BSTRACTLead-free piezoelectric single crystals of Fe-doped 0.95(Bi

1/2

)TiO

-0.05BaTiO

are shown to combine multiple mechanisms for high strain and an effective piezoelectric coefficient of up to 3260 pm/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’-VO∙∙)

•

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.

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