Crack tip domain switching in a ferroelectric single crystal under alternating electric fields

Yejian Jiang; Daining Fang

doi:10.1016/j.scriptamat.2007.06.041

Crack tip domain switching in a ferroelectric single crystal under alternating electric fields

Yejian Jiang, Daining Fang^*

^*Corresponding author for this work

Tsinghua University

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

This paper presents in situ observations of domain switching near a crack tip in a poled 0.62PbMg_1/3Mg_2/3O₃-0.38PbTiO₃ single crystal under alternating electric fields by polarized light microscopy. Only 90° domain switching is observed under the field anti-parallel to the poling direction of the specimen. Upon the reversal of the field, the switched domains recover, both before and behind the crack tip. However, the electric field inducing 90° domain switching is much larger than that stimulating reverse domain switching.

Original language	English
Pages (from-to)	735-738
Number of pages	4
Journal	Scripta Materialia
Volume	57
Issue number	8
DOIs	https://doi.org/10.1016/j.scriptamat.2007.06.041
Publication status	Published - Oct 2007
Externally published	Yes

Keywords

Domain switching
Fatigue
Ferroelectricity
Fracture
Transformations

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10.1016/j.scriptamat.2007.06.041

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title = "Crack tip domain switching in a ferroelectric single crystal under alternating electric fields",

abstract = "This paper presents in situ observations of domain switching near a crack tip in a poled 0.62PbMg1/3Mg2/3O3-0.38PbTiO3 single crystal under alternating electric fields by polarized light microscopy. Only 90° domain switching is observed under the field anti-parallel to the poling direction of the specimen. Upon the reversal of the field, the switched domains recover, both before and behind the crack tip. However, the electric field inducing 90° domain switching is much larger than that stimulating reverse domain switching.",

keywords = "Domain switching, Fatigue, Ferroelectricity, Fracture, Transformations",

author = "Yejian Jiang and Daining Fang",

year = "2007",

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AU - Jiang, Yejian

AU - Fang, Daining

PY - 2007/10

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N2 - This paper presents in situ observations of domain switching near a crack tip in a poled 0.62PbMg1/3Mg2/3O3-0.38PbTiO3 single crystal under alternating electric fields by polarized light microscopy. Only 90° domain switching is observed under the field anti-parallel to the poling direction of the specimen. Upon the reversal of the field, the switched domains recover, both before and behind the crack tip. However, the electric field inducing 90° domain switching is much larger than that stimulating reverse domain switching.

AB - This paper presents in situ observations of domain switching near a crack tip in a poled 0.62PbMg1/3Mg2/3O3-0.38PbTiO3 single crystal under alternating electric fields by polarized light microscopy. Only 90° domain switching is observed under the field anti-parallel to the poling direction of the specimen. Upon the reversal of the field, the switched domains recover, both before and behind the crack tip. However, the electric field inducing 90° domain switching is much larger than that stimulating reverse domain switching.

KW - Domain switching

KW - Fatigue

KW - Ferroelectricity

KW - Fracture

KW - Transformations

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JO - Scripta Materialia

JF - Scripta Materialia

IS - 8

ER -

Crack tip domain switching in a ferroelectric single crystal under alternating electric fields

Abstract

Keywords

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