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Locking of electric field induced non-180° domain switching and phase transition in ferroelectric materials upon cyclic electric fatigue

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Title: Locking of electric field induced non-180° domain switching and phase transition in ferroelectric materials upon cyclic electric fatigue
Author(s): Liu, Ming; Hsia, K. Jimmy
Subject(s): experimental solid mechanics fracture micromechanics plasticity
Abstract: In-situ x-ray diffraction measurements are conducted on a polycrystalline ferroelectric material PZT-5H at different levels of static electric field. The locking of the electric field induced non-180° domain switching and phase transition in PZT-5H after experiencing cyclic electric field is investigated by examining the changes in pseudo-cubic diffraction profiles. The results show that cyclic electric field with an amplitude lower than the coercive field has little effect on ferroelectric fatigue of the material, whereas cyclic field with an amplitude above the coercive field results in nearly complete locking of non-180° domain switching and phase transition. The results also demonstrate that the locking occurs rather suddenly after 10^3 –- 10^4 cycles. This locking phenomenon can explain the dramatic change in piezoelectric coefficients in these materials upon cyclic electric field.
Issue Date: 2003-05
Publisher: Department of Theoretical and Applied Mechanics (UIUC)
Citation Info: Published as: Ming Liu and K. Jimmy Hsia (2003). Locking of electric field induced non-180° domain switching and phase transition in ferroelectric materials upon cyclic electric fatigue. Applied Physics Letters, v. 83, no. 19, pp. 3978-3980. http://link.aip.org/link/?apl/83/3978. DOI: 10.1063/1.1626262. Copyright owned by Copyright 2003 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics. http://hdl.handle.net/2142/961.
Series/Report: TAM Reports 1025
Genre: Technical ReportArticle
Type: Text
Language: English
URI: http://hdl.handle.net/2142/288
ISSN: 0073-5264
Publication Status: published or submitted for publication
Peer Reviewed: is peer reviewed
Date Available in IDEALS: 2007-03-08
 

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  • Theoretical and Applied Mechanics (TAM) Technical Reports
    TAM technical reports include manuscripts intended for publication, theses judged to have general interest, notes prepared for short courses, symposia compiled from outstanding undergraduate projects, and reports prepared for research-sponsoring agencies.

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