Interfacial resistive switching properties in Ti/La 0.7Ca 0.3MnO 3/Pt sandwich structures
La 0.7Ca 0.3MnO 3 (LCMO) films with and without in situ oxygen annealing have been prepared by pulsed laser deposition. After depositing Ti top electrodes (TEs) at room temperature, both the Ti/LCMO/Pt structures show a reversible, nonlinear, and hysteretic current-voltage (I-V) characteristics. The switching ratio between high and low resistance state is significantly reduced by in situ oxygen annealing due to the decrease of oxygen vacancies in the surface of LCMO film. Moreover, the...[Show more]
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|Source:||Physica Status Solidi A|
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