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Title: Electroelastic fields in artificially created vortex cores in epitaxial BiFeO3 thin films

Abstract

Here we employ phase-field modeling to explore the elastic properties of artificially created 1-D domain walls in (001)p-oriented BiFeO3 thin films, composed of a junction of the four polarization variants, all with the same out-of-plane polarization. It was found that these junctions exhibit peculiarly high electroelastic fields induced by the neighboring ferroelastic/ferroelectric domains. The vortex core exhibits a volume expansion, while the anti-vortex core is more compressive. We also discuss possible ways to control the electroelastic field, such as varying material constant and applying transverse electric field.

Authors:
 [1];  [2];  [1];  [3];  [2];  [1]
+ Show Author Affiliations
  1. Pennsylvania State Univ., University Park, PA (United States)
  2. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Science (CNMS)
  3. NAS of Ukraine, Kyiv (Ukraine). Inst. of Problems for Material Sciences
Publication Date:
Research Org.:
Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Center for Nanophase Materials Sciences (CNMS)
Sponsoring Org.:
USDOE Office of Science (SC)
OSTI Identifier:
1265700
Alternate Identifier(s):
OSTI ID: 1229566
Grant/Contract Number:  
AC05-00OR22725; FG02-07ER46417
Resource Type:
Accepted Manuscript
Journal Name:
Applied Physics Letters
Additional Journal Information:
Journal Volume: 107; Journal Issue: 5; Journal ID: ISSN 0003-6951
Publisher:
American Institute of Physics (AIP)
Country of Publication:
United States
Language:
English
Subject:
36 MATERIALS SCIENCE

Citation Formats

Winchester, Ben, Wisinger, Nina Balke, Cheng, X. X., Morozovska, A. N., Kalinin, Sergei, and Chen, L. Q. Electroelastic fields in artificially created vortex cores in epitaxial BiFeO3 thin films. United States: N. p., 2015. Web. doi:10.1063/1.4927750.
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Winchester, Ben, Wisinger, Nina Balke, Cheng, X. X., Morozovska, A. N., Kalinin, Sergei, & Chen, L. Q. Electroelastic fields in artificially created vortex cores in epitaxial BiFeO3 thin films. United States. https://doi.org/10.1063/1.4927750
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Winchester, Ben, Wisinger, Nina Balke, Cheng, X. X., Morozovska, A. N., Kalinin, Sergei, and Chen, L. Q. Mon . "Electroelastic fields in artificially created vortex cores in epitaxial BiFeO3 thin films". United States. https://doi.org/10.1063/1.4927750. https://www.osti.gov/servlets/purl/1265700.
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@article{osti_1265700,
title = {Electroelastic fields in artificially created vortex cores in epitaxial BiFeO3 thin films},
author = {Winchester, Ben and Wisinger, Nina Balke and Cheng, X. X. and Morozovska, A. N. and Kalinin, Sergei and Chen, L. Q.},
abstractNote = {Here we employ phase-field modeling to explore the elastic properties of artificially created 1-D domain walls in (001)p-oriented BiFeO3 thin films, composed of a junction of the four polarization variants, all with the same out-of-plane polarization. It was found that these junctions exhibit peculiarly high electroelastic fields induced by the neighboring ferroelastic/ferroelectric domains. The vortex core exhibits a volume expansion, while the anti-vortex core is more compressive. We also discuss possible ways to control the electroelastic field, such as varying material constant and applying transverse electric field.},
doi = {10.1063/1.4927750},
journal = {Applied Physics Letters},
number = 5,
volume = 107,
place = {United States},
year = {Mon Aug 03 00:00:00 EDT 2015},
month = {Mon Aug 03 00:00:00 EDT 2015}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1063/1.4927750
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Works referenced in this record:

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