Nengneng Luo

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We report ferroelectricity and self-polarization in the (001) oriented ultrathin relaxor ferroelectric PMN-PT films grown on Nb-SrTiO3, SrRuO3 and La0.7Sr0.3MnO3, respectively. Resistance-voltage measurements and AC impedance analysis suggest that at high temperatures Schottky depletion width in a 4 nm thick PMN-PT film deposited on Nb-SrTiO3 is smaller(More)
Dielectric permittivity of [111]-oriented Pb(Mg<sub>1/3</sub>Nb<sub>2/3</sub>)O<sub>3</sub>-PbTiO<sub>3</sub>(PMN-PT) single crystals with various PT content and phase were investigated as a function of temperature and applied DC electric field. The temperature dependent dielectric permittivity with different PT content showed various dielectric anomalies,(More)
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