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Internal Stress Generation During Switching of Ferroelectrics

Published online by Cambridge University Press:  01 February 2011

Anja Haug ,
Patrick R. Onck  and
Erik Van der Giessen
Anja Haug
Affiliation:
Materials Science Center, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
Patrick R. Onck
Affiliation:
Materials Science Center, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
Erik Van der Giessen
Affiliation:
Materials Science Center, University of Groningen, Nijenborgh 4, 9747 AG Groningen, The Netherlands
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Abstract

Progressive switching of grains in ferroelectric materials leads to internal stresses, which may give rise to degradation of the material or even fracture. Here we propose a two-dimensional multigrain model for ferroelectric polycrystal. The numerical computations employ the nonlinear micromechanics model of Huber et al. [1] for each grain. Results for the macroscopic response, butterfly and hysteresis loops, as well as internal stress and electric field distributions are presented.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 881: Symposium CC – Coupled Nonlinear Phenomena Modeling and Simulation for Smart, Ferroic and Multiferroic Materials , 2005 , CC4.4
Copyright
Copyright © Materials Research Society 2005

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References

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