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Proceedings Paper

Domain pinning and electric fatigue of ferroelectric ceramics
Author(s): Yongqian Wang; San-Xia Gong; Hong Jiang; Qing Jiang
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Paper Abstract

Experimental observations indicate that electric fatigue of polycrystalline ferroelectric ceramics is partially recoverable through thermal treatments at temperatures that are too low to heal microcracking which is considered to be the primary cause of electric fatigue. It has been conjectured that this thermally-recoverable fatigue is due to domain pinning. This paper presents a theoretical model for the domain pinning effect on macroscopic properties of polycrystalline ferroelectric ceramics. The numerical results suggest that domain pinning can indeed lead to the type of fatigue behavior as observed.

Paper Details

Date Published: 31 May 1996
PDF: 9 pages
Proc. SPIE 2715, Smart Structures and Materials 1996: Mathematics and Control in Smart Structures, (31 May 1996); doi: 10.1117/12.240811
Show Author Affiliations
Yongqian Wang, Univ. of Nebraska/Lincoln (United States)
San-Xia Gong, Univ. of Nebraska/Lincoln (United States)
Hong Jiang, Univ. of Nebraska/Lincoln (United States)
Qing Jiang, Univ. of Nebraska/Lincoln (United States)

Published in SPIE Proceedings Vol. 2715:
Smart Structures and Materials 1996: Mathematics and Control in Smart Structures
Vasundara V. Varadan; Jagdish Chandra, Editor(s)

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