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  5. Controlling polarization dynamics in a liquid environment: from localized to macroscopic switching in ferroelectrics
 
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Controlling polarization dynamics in a liquid environment: from localized to macroscopic switching in ferroelectrics

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Author(s)
Rodriguez, Brian J. 
Jesse, S. 
Baddorf, A. P. 
et al. 
Uri
http://hdl.handle.net/10197/5223
Date Issued
June 2007
Date Available
09T09:58:07Z January 2014
Abstract
The effect of disorder on polarization switching in ferroelectric materials is studied using piezoresponse force microscopy in a liquid environment. The spatial extent of the electric field created by a biased tip is controlled by the choice of medium, resulting in a transition from localized switching dictated by tip radius, to uniform switching across the film. In the localized regime, the formation of fractal domains has been observed with dimensionality controlled by the length scale of the frozen disorder. In the nonlocal regime, preferential nucleation at defect sites and the presence of long-range correlations has been observed.
Sponsorship
Other funder
Other Sponsorship
Laboratory Directed Research and Development Program of Oak Ridge National Laboratory
Type of Material
Journal Article
Publisher
American Physical Society
Journal
Physical Review Letters
Volume
98
Issue
24
Start Page
247603
Copyright (Published Version)
2007 The American Physical Society
Keywords
  • Electric field

  • Disorder

  • Ferroelectric materia...

  • Piezoresponse force m...

  • Nucleation centre

DOI
10.1103/PhysRevLett.98.247603
Language
English
Status of Item
Peer reviewed
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
Owning collection
Physics Research Collection
Scopus© citations
47
Acquisition Date
Feb 6, 2023
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