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Investigation of the ferroelectric-relaxor transition in ceramics by piezoresponse force microscopy
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10.1063/1.3474962
/content/aip/journal/jap/108/4/10.1063/1.3474962
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/4/10.1063/1.3474962
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Temperature dependences of the real part of the dielectric permittivity (a) and of the tangent of the dielectric losses measured on heating in ceramics at the frequencies 100 Hz, 1 kHz, 10 kHz, 100 kHz, and 500 kHz. The insets show temperature dependence of the dielectric permittivity and tangent of the dielectric losses measured on heating (solid symbols) and cooling (open symbols) at 500 kHz.

Image of FIG. 2.
FIG. 2.

(a) P(E) hysteresis loops measured in ceramics at different temperatures on heating. Temperature dependences of remanent polarization measured on heating (solid symbols) and cooling (open symbols).

Image of FIG. 3.
FIG. 3.

PFM images of ceramics taken on heating at (a) 295, (b) 335, (c) 350, and (d) 360 K (scan size ). Solid lines indicate grain boundaries.

Image of FIG. 4.
FIG. 4.

Temperature dependences of the effective piezoresponse measured on heating and on cooling (line are drown to eye guidance). Inset shows a distribution of the piezoresponse signal measured at RT. This distribution is treated as a superposition of three Gaussian peaks: two polar peaks at and and one nonpolar centered at . Here is the local piezoresponse value.

Image of FIG. 5.
FIG. 5.

PFM images of ceramics taken on cooling at (a) 360, (b) 315, and (c) 295 K (scan size ). Solid lines indicate grain boundaries.

Image of FIG. 6.
FIG. 6.

Temperature evolution of the poled area in ceramics: (a) initial state; (b)–(d) after the area was scanned under −30 V: at (b) 295, (c) 335, and (d) 360 K.

Image of FIG. 7.
FIG. 7.

Distribution of piezoresponse signal measured inside the poled area at different temperatures.

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/content/aip/journal/jap/108/4/10.1063/1.3474962
2010-08-31
2014-04-17
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Investigation of the ferroelectric-relaxor transition in PbMg1/3Nb2/3O3–PbTiO3 ceramics by piezoresponse force microscopy
http://aip.metastore.ingenta.com/content/aip/journal/jap/108/4/10.1063/1.3474962
10.1063/1.3474962
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