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The resistive switching characteristics of Pr0.7Ca0.3MnO3 (PCMO) thin films deposited on LaNiO3 (LNO)-electrodized Si substrate were investigated. Highly (100)-textured PCMO films were grown on the (100)-oriented LNO electrode. They exhibited reversible and steady bistable resistance switching behavior. The resistive switching behavior of PCMO capacitors on LNO is related to the trap-controlled space charge limited current mechanism and LNO/PCMO/LNO capacitor exhibits the strongest resistive switching effect with a resistance ratio for about two orders of magnitude.
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Chang et al. (2009) studied this question.
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