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Electro-photo double modulation on the resistive switching behavior and switchable photoelectric effect in BiFeO3 films
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10.1063/1.4812825
/content/aip/journal/apl/102/25/10.1063/1.4812825
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/25/10.1063/1.4812825
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

(a) X-ray diffraction patterns for the BFO/LSMO/STO heterostructure at room temperature. (b) The loop of the Au/BFO/LSMO/STO heterostructure at 300 K with 10 kHz frequency. (c) OP-PFM phase and (d)amplitude images of the BFO film after applying +9.8 V (inner square) and −9.8 V (outer square) bias at the center of the region.

Image of FIG. 2.
FIG. 2.

(a) Variations in the junction resistances of the Au/BFO/LSMO/STO heterostructure with −9 V and +9 V pulse voltages measured at −1 V in dark and under the illumination ofthe 375 nm laser (840 mW/cm). (b)The high and low resistance stateswith repetition of polarization-orientation switching. The inset shows the measurement setup schematic. (c) The schematic of applied pulse voltage train and the measurement voltage vs. time. (d)The magnification of the area marked by short dashed rectangle in (c).

Image of FIG. 3.
FIG. 3.

(a) The curves of the Au/BFO/LSMO/STO heterostructure at room temperature. The open symbols are for the curves in dark, and the solid symbols indicate the curves under the illumination of the 375 nm laser (840 mW/cm). (b) curves for the Au/BFO/LSMO/STO heterostructure after upward polarization (+9 V) and downward polarization (−9 V) in dark and under the illumination of the 375 nm laser (840 mW/cm).

Image of FIG. 4.
FIG. 4.

(a) Bipolar resistance switching hysteresis loops for the Au/BFO/LSMO/STO heterostructure in dark and under the illumination of the 375 nm laser (840 mW/cm). The measurement voltage is −1 V. (b) and of the Au/BFO/LSMO/STO heterostructure with various pulse voltages under the illumination of the 375 nm laser (840 mW/cm), where each point represents the value summarized from the illuminated curves.

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/content/aip/journal/apl/102/25/10.1063/1.4812825
2013-06-28
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electro-photo double modulation on the resistive switching behavior and switchable photoelectric effect in BiFeO3 films
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/25/10.1063/1.4812825
10.1063/1.4812825
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