A mechanism for unipolar resistance switching in oxide non-volatile memory devices

Details A mechanism for unipolar resistance switching in oxide non-volatile memory devices A mechanism for unipolar resistance switching in oxide non-volatile memory devices

2007-07-20

arxiv.org/abs/0707.3077v1

Physics

Condensed Matter

Other Condensed Matter

4 pages, 2 figures

Scientific paper

10.1063/1.2824382

Building on a recently introduced model for non-volatile resistive switching, we propose a mechanism for unipolar resistance switching in metal-insulator-metal sandwich structures. The commutation from the high to low resistance state and back can be achieved with successive voltage sweeps of the same polarity. Electronic correlation effects at the metal-insulator interface are found to play a key role to produce a resistive commutation effect in qualitative agreement with recent experimental reports on binary transition metal oxide based sandwich structures.

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