Piezoelectricity and crystal symmetry

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abstract

In this chapter, the symmetry aspects of the piezoelectric effect in various materials (single crystals, ceramics, and thin films) are briefly overviewed. First, the third-rank tensor of piezoelectric coefficients defined in the crystallographic reference frame is discussed. On this basis, the orientation dependence of the longitudinal piezoelectric response in ferroelectric single crystals is described. This dependence is especially important for relaxor single crystals, where a giant piezoelectric effect is observed. Then, the effective piezoelectric constants of polydomain crystals, ceramics, and thin films and their dependence on crystal symmetry are discussed. The domain-wall contribution to the piezoelectric properties of ferroelectric ceramics and thin films is also described. Finally, the crystallographic principles of piezomagnetic, magnetoelectric, and multiferroic materials are presented.

authors

Kholkin AL, Pertsev NA, Goltsev AV

our authors

foto Andrei Kholkin

Andrei Kholkin

Retired Researcher

Groups

G2 - Photonic, Electronic and Magnetic Materials

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Publication Details

type
Book Chapter
year
2008
Book Title
Piezoelectric and Acoustic Materials for Transducer Applications
editors
Safari A, Akdogan K
publisher
Springer US
isbn
978-0-387-76538-9
book digital object identifier
10.1007/978-0-387-76540-2_2

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