Resistive Switching Properties of Zr, Ti, and Zn Metal Oxides

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Abstract:

Sputtered metal oxides of Zr, Ti, and Zn were investigated on their resistive switching properties. All these three oxides exhibit electrode independence of the on-state currents, implying presence of non-uniform distribution of the conduction paths. The formation and rupture of those low-resistance filaments determine the reversible stable conductions and transition thresholds, which is related to the oxygen vacancy. The change in filament size explains the effect of current compliance and sweeping bias under various deposition temperatures and ambient. The decrease or increase of conduction currents is ascribed to the varying length and cross-section area of the filaments.

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194-197

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July 2015

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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