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Journal Article | FZJ-2016-07382 |
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2016
American Inst. of Physics
New York, NY
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Please use a persistent id in citations: http://hdl.handle.net/2128/13173 doi:10.1063/1.4954886
Abstract: Electrostriction is an important material property that characterizes how strain changes with the development of polarization inside a material. We show that ab initio techniques developed in recent years can be exploited to compute and understand electrostriction of ferroelectric materials. Here, electrostriction coefficients of ferroelectric BaTiO3, PbTiO3, as well as dielectric BaZrO3, are obtained and analyzed. Possible causes of the difference between experimental and numerical results are discussed. We also identified that relative displacements between certain ions at a given polarization could be a good indicator of a material’s electrostriction property.
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