Room Temperature Resistive State Switching With Hysteresis In Gdmno3 Thin Film With Low Threshold Voltage
APPLIED PHYSICS LETTERS(2014)
Abstract
In this paper, we report a room temperature resistive state switching with hysteresis, in a thin film of GdMnO3 grown on NdGaO3 substrate. The switched states have a resistance ratio approximate to 10(3). The switching is unipolar in nature, with a low set voltage <3 V, while the reset voltage <0.3 V. The switching occurs between a high resistance polaronic insulating state and a low resistance metallic state. The resistance state transition has been ascribed to an electronic mechanism that originates from co-existing phases (created by charge disproportionation) that can undergo a percolative transition enabled by the applied bias. (C) 2014 AIP Publishing LLC.
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Key words
gdmno3 thin film,low threshold voltage,hysteresis
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