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Title: Role of Reversible Phase Transformation for Strong Piezoelectric Performance at the Morphotropic Phase Boundary

A functional material with coexisting energetically equivalent phases often exhibits extraordinary properties such as piezoelectricity, ferromagnetism, and ferroelasticity, which is simultaneously accompanied by field-driven reversible phase transformation. The study on the interplay between such phase transformation and the performance is of great importance. Here, we have experimentally revealed the important role of field-driven reversible phase transformation in achieving enhanced electromechanical properties using in situ high-energy synchrotron x-ray diffraction combined with 2D geometry scattering technology, which can establish a comprehensive picture of piezoelectric-related microstructural evolution. High-throughput experiments on various Pb/Bi-based perovskite piezoelectric systems suggest that reversible phase transformation can be triggered by an electric field at the morphotropic phase boundary and the piezoelectric performance is highly related to the tendency of electric-field-driven phase transformation. A strong tendency of phase transformation driven by an electric field generates peak piezoelectric response. Further, phase-field modeling reveals that the polarization alignment and the piezoelectric response can be much enhanced by the electric-field-driven phase transformation. In conclusion, the proposed mechanism will be helpful to design and optimize the new piezoelectrics, ferromagnetics, or other related functional materials.
Authors:
 [1] ;  [1] ;  [1] ;  [1] ;  [2] ;  [1] ;  [1] ;  [3] ;  [1]
  1. Univ. of Science and Technology Beijing, Beijing (China)
  2. Argonne National Lab. (ANL), Argonne, IL (United States)
  3. The Pennsylvania State Univ., University Park, PA (United States)
Publication Date:
Grant/Contract Number:
AC02-06CH11357; FRF-TP-17-001B; FG02-07ER46417
Type:
Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Volume: 120; Journal Issue: 5; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society (APS)
Research Org:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org:
National Natural Science Foundation of China (NNSFC); Fundamental Research Funds for the Central Universities; USDOE
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE
OSTI Identifier:
1461181
Alternate Identifier(s):
OSTI ID: 1418386

Liu, Hui, Chen, Jun, Huang, Houbing, Fan, Longlong, Ren, Yang, Pan, Zhao, Deng, Jinxia, Chen, Long -Qing, and Xing, Xianran. Role of Reversible Phase Transformation for Strong Piezoelectric Performance at the Morphotropic Phase Boundary. United States: N. p., Web. doi:10.1103/PhysRevLett.120.055501.
Liu, Hui, Chen, Jun, Huang, Houbing, Fan, Longlong, Ren, Yang, Pan, Zhao, Deng, Jinxia, Chen, Long -Qing, & Xing, Xianran. Role of Reversible Phase Transformation for Strong Piezoelectric Performance at the Morphotropic Phase Boundary. United States. doi:10.1103/PhysRevLett.120.055501.
Liu, Hui, Chen, Jun, Huang, Houbing, Fan, Longlong, Ren, Yang, Pan, Zhao, Deng, Jinxia, Chen, Long -Qing, and Xing, Xianran. 2018. "Role of Reversible Phase Transformation for Strong Piezoelectric Performance at the Morphotropic Phase Boundary". United States. doi:10.1103/PhysRevLett.120.055501.
@article{osti_1461181,
title = {Role of Reversible Phase Transformation for Strong Piezoelectric Performance at the Morphotropic Phase Boundary},
author = {Liu, Hui and Chen, Jun and Huang, Houbing and Fan, Longlong and Ren, Yang and Pan, Zhao and Deng, Jinxia and Chen, Long -Qing and Xing, Xianran},
abstractNote = {A functional material with coexisting energetically equivalent phases often exhibits extraordinary properties such as piezoelectricity, ferromagnetism, and ferroelasticity, which is simultaneously accompanied by field-driven reversible phase transformation. The study on the interplay between such phase transformation and the performance is of great importance. Here, we have experimentally revealed the important role of field-driven reversible phase transformation in achieving enhanced electromechanical properties using in situ high-energy synchrotron x-ray diffraction combined with 2D geometry scattering technology, which can establish a comprehensive picture of piezoelectric-related microstructural evolution. High-throughput experiments on various Pb/Bi-based perovskite piezoelectric systems suggest that reversible phase transformation can be triggered by an electric field at the morphotropic phase boundary and the piezoelectric performance is highly related to the tendency of electric-field-driven phase transformation. A strong tendency of phase transformation driven by an electric field generates peak piezoelectric response. Further, phase-field modeling reveals that the polarization alignment and the piezoelectric response can be much enhanced by the electric-field-driven phase transformation. In conclusion, the proposed mechanism will be helpful to design and optimize the new piezoelectrics, ferromagnetics, or other related functional materials.},
doi = {10.1103/PhysRevLett.120.055501},
journal = {Physical Review Letters},
number = 5,
volume = 120,
place = {United States},
year = {2018},
month = {1}
}

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