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The resistive switching behavior of BiFeO3 thin film prepared via pulsed laser deposition was investigated. The current-voltage (I-V) curves were measured at different voltages. The resistance changes from high value to low value at a positive voltage, and the resistance changes from low value to high value at a negative voltage. The space charge limited conduction mechanism was analyzed through the fitting of the I-V curves. The resistive effect is attributed to the electric filed induced carrier trapping and detrapping, which results in the variation of the Schottky barrier height at the interface between the film and the electrode. © 2017, Editorial Department of Journal of the Chinese Ceramic Society. All right reserved.
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