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Piezoelectric anisotropy of orthorhombic ferroelectric single crystals
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10.1063/1.4809980
/content/aip/journal/jap/113/22/10.1063/1.4809980
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/22/10.1063/1.4809980

Figures

Image of FIG. 1.
FIG. 1.

Ellipsoids, characterizing the area of the admissible values of piezoelectric moduli , , and ( ) at the dielectric and elastic parameters' values listed in Table I for some orthorhombic crystals: (a) KNbO and (b) 0.27PIN-0.40PMN-0.33PT (single-domain crystals); (c) BaTiO and (d) PbTiO (tetragonal crystals with laminate 90° domain structure); (e) PMN-0.28PT and (f) PZN-0.07PT (rhombohedral polydomain crystals, poled along the [011] direction of the prototype cubic cell). Crosses mark the experimental points.

Image of FIG. 2.
FIG. 2.

Ellipses, limiting the areas of the admissible values of piezoelectric moduli and ( ) for KNbO crystal at different values of piezoelectric modulus : 1 – , 2 – (experimental value) and 3 – . Cross marks the experimental point.

Tables

Generic image for table
Table I.

The components of relative permittivity (at fixed stress), elastic compliance (at fixed electric field), and piezoelectric moduli for single-domain KNbO and 0.27PIN-0.40PMN-0.33PT (PIN-PMN-PT) crystals (experimental data ), BaTiO and PbTiO crystals with laminate 90° domain structure (calculated from the experimental data using the formulas (2) ) and polydomain PMN-0.28PT and PZN-0.07PT crystals poled along the [011] direction (experimental data ).

Generic image for table
Table II.

Transverse PR and , as well as and ratios calculated using the data of Table I .

Generic image for table
Table III.

The main parameters of the ellipsoids shown in Fig. 1 : aspect ratios /, /, limiting values of piezoelectric moduli , lying on the semi-major axis () at the maximal distance from the center, as well as the angles , , , characterizing orientation of the ellipsoid in three dimensional space , , .

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/content/aip/journal/jap/113/22/10.1063/1.4809980
2013-06-11
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Piezoelectric anisotropy of orthorhombic ferroelectric single crystals
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/22/10.1063/1.4809980
10.1063/1.4809980
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