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Induced polarized state in intentionally grown oxygen deficient KTaO3 thin films
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10.1063/1.4813324
/content/aip/journal/jap/114/3/10.1063/1.4813324
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/3/10.1063/1.4813324

Figures

Image of FIG. 1.
FIG. 1.

EDS spectra of KTaO thin films deposited at 0.5 Pa and 50 W.

Image of FIG. 2.
FIG. 2.

Plan-view SEM image of KTaO thin film deposited at 0.5 Pa and 50 W. Inset shows the Pt and KTO layers in cross-section SEM image.

Image of FIG. 3.
FIG. 3.

Room temperature X-ray diffraction patterns of as-prepared (a) and annealed in oxygen at 400 °C (b) KTaO thin film deposited at 0.5 Pa and 50 W.

Image of FIG. 4.
FIG. 4.

Leakage current density versus applied electric field for the KTaO thin film.

Image of FIG. 5.
FIG. 5.

The Schottky emission plot of ln(J/T) versus E for the KTaO thin film.

Image of FIG. 6.
FIG. 6.

The Simmons and Poole-Frenkel plot of ln(J/E) versus E for the KTaO thin film.

Image of FIG. 7.
FIG. 7.

Complex dielectric constant of the KTaO film in the plane at temperatures of 115, 255, and 335 °C.

Image of FIG. 8.
FIG. 8.

Temperature dependence of and fitting parameters for the KTaO film.

Image of FIG. 9.
FIG. 9.

Room-temperature () curves of KTaO thin films under maximum applied voltage of 3, 4, 5, and 10 V. The arrows show the direction in which the curve is being drawn.

Image of FIG. 10.
FIG. 10.

() curves of KTaO thin films at temperatures of 28, 290, 330, and 367 °C.

Image of FIG. 11.
FIG. 11.

Electric polarization as a function of the temperature for the KTaO thin film. Inset shows temperature dependence of thermally stimulated depolarization current.

Tables

Generic image for table
Table I.

Resistivity and for three different fixed temperatures.

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/content/aip/journal/jap/114/3/10.1063/1.4813324
2013-07-21
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Induced polarized state in intentionally grown oxygen deficient KTaO<sub>3</sub> thin films
http://aip.metastore.ingenta.com/content/aip/journal/jap/114/3/10.1063/1.4813324
10.1063/1.4813324
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