Moving dislocations in general anisotropic piezoelectric solids

Ai Kah Soh; Jin Xi Liu; K. Wok Lun Lee; Dai Ning Fang

doi:10.1002/pssb.200402121

Moving dislocations in general anisotropic piezoelectric solids

Ai Kah Soh, Jin Xi Liu^*, K. Wok Lun Lee, Dai Ning Fang

^*Corresponding author for this work

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

13 Citations (Scopus)

Abstract

The explicit closed-form solution is presented for a moving dislocation with the generalized Burgers vector b = (b₁,b₂,b ₃, Δφ]^T in an anisotropic piezoelectric solid, where Δφ corresponds to an electric dipole layer along the slip plane. The steady-state version of the Stroh formalism for piezoelectricity is used in this work. Particular attention is paid to the basic characteristics of the electric displacement and electric field due to the moving piezoelectric dislocations. As an important example, a detailed analysis is made for moving dislocations in hexagonal piezoelectric crystals.

Original language	English
Pages (from-to)	842-853
Number of pages	12
Journal	Physica Status Solidi (B): Basic Research
Volume	242
Issue number	4
DOIs	https://doi.org/10.1002/pssb.200402121
Publication status	Published - Mar 2005
Externally published	Yes

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10.1002/pssb.200402121

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Soh, A. K., Liu, J. X., Lee, K. W. L., & Fang, D. N. (2005). Moving dislocations in general anisotropic piezoelectric solids. Physica Status Solidi (B): Basic Research, 242(4), 842-853. https://doi.org/10.1002/pssb.200402121

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AB - The explicit closed-form solution is presented for a moving dislocation with the generalized Burgers vector b = (b1,b2,b 3, Δφ]T in an anisotropic piezoelectric solid, where Δφ corresponds to an electric dipole layer along the slip plane. The steady-state version of the Stroh formalism for piezoelectricity is used in this work. Particular attention is paid to the basic characteristics of the electric displacement and electric field due to the moving piezoelectric dislocations. As an important example, a detailed analysis is made for moving dislocations in hexagonal piezoelectric crystals.

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Moving dislocations in general anisotropic piezoelectric solids

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