Publication

Monodomain versus polydomain piezoelectric response of 0.67Pb(Mg1/3Nb2/3)O-3-0.33PbTiO(3) single crystals along nonpolar directions

Nava Setter, Dragan Damjanovic
2003
Journal Articles

Abstract

Using recently published experimental data we calculated the piezoelectric response of rhombohedral 0.67Pb(Mg1/3Nb2/3)O-3-0.33PbTiO(3) monodomain single crystals along arbitrary directions. The calculations indicate that the value of the longitudinal piezoelectric coefficient along the [001] axis of the pseudocubic system ([111] axis of the rhombohedral system) of a monodomain crystal is close to the value determined experimentally along the same direction of a multidomain crystal with a so-called "engineered domain state." The results thus show that the large piezoelectric response in this material is dominated by intrinsic crystal lattice effects and that the multidomain state has a relatively minor effect (1900 pC/N for certain directions of the monodomain crystal. (C) 2003 American Institute of Physics.

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https://infoscience.epfl.ch/entities/publication/1018b282-ab9d-4a04-871b-a473f212bc6d

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Nava Setter, Dragan Damjanovic
2003
Journal Articles

Abstract

Official source

https://infoscience.epfl.ch/entities/publication/1018b282-ab9d-4a04-871b-a473f212bc6d

About this result

Related concepts (28)

Piezoelectricity

Piezoelectricity (ˌpiːzoʊ-,_ˌpiːtsoʊ-,_paɪˌiːzoʊ-, piˌeɪzoʊ-,_piˌeɪtsoʊ-) is the electric charge that accumulates in certain solid materials—such as crystals, certain ceramics, and biological matter such as bone, DNA, and various proteins—in response to applied mechanical stress. The word piezoelectricity means electricity resulting from pressure and latent heat. It is derived (an ancient source of electric current). The piezoelectric effect results from the linear electromechanical interaction between the mechanical and electrical states in crystalline materials with no inversion symmetry.

Crystal structure

In crystallography, crystal structure is a description of the ordered arrangement of atoms, ions, or molecules in a crystalline material. Ordered structures occur from the intrinsic nature of the constituent particles to form symmetric patterns that repeat along the principal directions of three-dimensional space in matter. The smallest group of particles in the material that constitutes this repeating pattern is the unit cell of the structure.

Single crystal

In materials science, a single crystal (or single-crystal solid or monocrystalline solid) is a material in which the crystal lattice of the entire sample is continuous and unbroken to the edges of the sample, with no grain boundaries. The absence of the defects associated with grain boundaries can give monocrystals unique properties, particularly mechanical, optical and electrical, which can also be anisotropic, depending on the type of crystallographic structure.

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Monodomain versus polydomain piezoelectric response of 0.67Pb(Mg1/3Nb2/3)O-3-0.33PbTiO(3) single crystals along nonpolar directions

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