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. 2016 Feb 23;10:57. doi: 10.3389/fnins.2016.00057

Figure 1.

Figure 1

Regions of current instabilities in I/V sweeps of SiOx RRAM cells during non-volatile memory switching. (A) A gradual reset process, before an abrupt transition to the HRS. The zoomed region highlights the region of instability. (B) Current instability before an abrupt set process. (C) Voltage response with a constant current input, demonstrating the threshold effect of the voltage transients (spikes). In this case, no voltage transients or spikes are observed until a current of 5 mA is applied to the device.