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research article

Deaging and Asymmetric Energy Landscapes in Electrically Biased Ferroelectrics

Tutuncu, Goknur
•
Damjanovic, Dragan  
•
Chen, Jun
Show more
2012
Physical Review Letters

In ferroic materials, the dielectric, piezoelectric, magnetic, and elastic coefficients are significantly affected by the motion of domain walls. This motion can be described as the propagation of a wall across various types and strengths of pinning centers that collectively constitute a force profile or energetic landscape. Biased domain structures and asymmetric energy landscapes can be created through application of high fields (such as during electrical poling), and the material behavior in such states is often highly asymmetric. In some cases, this behavior can be considered as the electric analogue to the Bauschinger effect. The present Letter uses time-resolved, high-energy x-ray Bragg scattering to probe this asymmetry and the associated deaging effect in the ferroelectric morphotropic phase boundary composition 0.36BiScO(3)-0.64PbTiO(3).

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Type
research article
DOI
10.1103/PhysRevLett.108.177601
Web of Science ID

WOS:000303196000011

Author(s)
Tutuncu, Goknur
Damjanovic, Dragan  
Chen, Jun
Jones, Jacob L.
Date Issued

2012

Publisher

American Physical Society

Published in
Physical Review Letters
Volume

108

Issue

17

Article Number

177601

Subjects

Zirconate-Titanate Ceramics

•

Polycrystalline Ferroelectrics

•

Domain-Wall

•

Batio3-Based Piezoceramics

•

Temperature-Dependence

•

Dielectric-Properties

•

Behavior

•

(1-X)Bisco3-Xpbtio(3)

•

Nonlinearity

•

Polarization

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LC  
Available on Infoscience
April 25, 2012
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/79624
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