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Piezoelectric properties in perovskite lead-free ceramics
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10.1063/1.2382348
/content/aip/journal/jap/100/10/10.1063/1.2382348
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/10/10.1063/1.2382348

Figures

Image of FIG. 1.
FIG. 1.

X-ray powder diffraction at different temperatures for sintered KNN-LS5.2.

Image of FIG. 2.
FIG. 2.

SEM microstructure on KNN-LS5.2 fracture surface.

Image of FIG. 3.
FIG. 3.

Polarization hysteresis loops measured at different electric fields (the pinched loop for thermally cycled sample insert in the figure).

Image of FIG. 4.
FIG. 4.

Dielectric permittivity and dielectric loss as a function of temperature and frequency for KNN-LS5.2 materials in range.

Image of FIG. 5.
FIG. 5.

Remnant polarization and coercive field as function of temperature for KNN-LS5.2 material.

Image of FIG. 6.
FIG. 6.

Unipolar strain vs electric field curves as a function of temperature for KNN-LS5.2 materials, the high field calculated from the slope of loop and hysteresis inset in the top of the figure.

Image of FIG. 7.
FIG. 7.

(a) Electromechanical coupling factors and as a function of temperature. (b) Frequency constants and as a function of temperature.

Image of FIG. 8.
FIG. 8.

(a) Longitudinal electromechanical coupling factor and piezoelectric coefficient as a function of temperature. (b) Elastic compliance constant and frequency constant as a function of temperature.

Image of FIG. 9.
FIG. 9.

(a) Extensional electromechanical coupling factor and piezoelectric coefficient as a function of temperature. (b) Elastic compliance constant and frequency constant as a function of temperature.

Image of FIG. 10.
FIG. 10.

Electromechanical coupling factor as function of temperature for KNN-LS sample after different thermal cycles.

Tables

Generic image for table
Table I.

Dielectric and piezoelectric properties of KNN-LS5.2 compared to the pure KNN counterpart.

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/content/aip/journal/jap/100/10/10.1063/1.2382348
2006-11-27
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Piezoelectric properties in perovskite 0.948(K0.5Na0.5)NbO3–0.052LiSbO3 lead-free ceramics
http://aip.metastore.ingenta.com/content/aip/journal/jap/100/10/10.1063/1.2382348
10.1063/1.2382348
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