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Control of Domain States in Individual PbTiO3 Nanoparticles by Prescribed Strains

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Abstract:

A three dimensional phase field model has been devised to account for the manipulation of domain states in individual ferroelectric (PbTiO3) nanoparticles. Vortex structures and dipole flux domain patterns were obtained by applying tensile and compressive strains, respectively. The direction of the two domain configurations was found to correlate with the plane on which the strains were applied, mainly due to dipole-strain coupling and depression of depolarizing field.

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Periodical:

Key Engineering Materials (Volume 465)

Pages:

203-206

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.465.203

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Online since:

January 2011

Authors:

L. Hong, A.K. Soh

Keywords:

Ferroelectric Nanoparticle, Phase-Field Method, Vortex Structure

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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