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Origin of the giant electro-optic Kerr effect in La-doped 75PMN-25PT transparent ceramics
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10.1063/1.3646553
/content/aip/journal/jap/110/7/10.1063/1.3646553
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/7/10.1063/1.3646553
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Electro-optic Kerr effect for samples of La-doped PMN-PT at room temperature. (a) Birefringence as a function of electric field for samples of 3/75/25, 4/75/25, and PLZT 9/65/35. (b) Birefringence as a function of the square of electric field.

Image of FIG. 2.
FIG. 2.

Dielectric property as a function of temperature and dc bias for La-doped PMN-PT x/75/25 (frequency range: 10−1−103Hz).

Image of FIG. 3.
FIG. 3.

Ferroelectric hysteresis (P-E) loop at 10 Hz for La-doped PMN-PT x/75/25 at room temperature.

Image of FIG. 4.
FIG. 4.

Current as a function of electric field at the same frequency in (P-E) loop measurement for La-doped PMN-PT x/75/25 at room temperature.

Image of FIG. 5.
FIG. 5.

PFM images of ferroelectric domains for different areas of La-doped PMN-PT x/75/25 at room temperature. Measurement unit: µm. (a) 2/75/25, (b) 3/75/25, (c) 4/75/25.

Image of FIG. 6.
FIG. 6.

Schematic illustration of domain configuration for La-doped PMN-PT x/75/25. White squares refer to the perovskite cubic lattice, black circles with arrows inside refer to the PNR or polar regions.

Image of FIG. 7.
FIG. 7.

Temperature dependence of electro-optic Kerr constant for samples of La-doped PMN-PT after aging for around 1 yr.

Image of FIG. 8.
FIG. 8.

Piezoelectric constant as a function of aging time for La-doped PMN-PT x/75/25 poled at dc electric field of 20 kV/cm for 1 min at room temperature.

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/content/aip/journal/jap/110/7/10.1063/1.3646553
2011-10-10
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Origin of the giant electro-optic Kerr effect in La-doped 75PMN-25PT transparent ceramics
http://aip.metastore.ingenta.com/content/aip/journal/jap/110/7/10.1063/1.3646553
10.1063/1.3646553
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