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NiO-based resistive-switching memory (RRAM) is attracting a growing research interest for high-density non-volatile storage applications. One of the most difficult challenges for RRAM-based high-density memories is the high current necessary for the reset operation (I reset ), which limits the possibilities of scaling for the select diode in the cross-bar memory array. This work addresses the scalability of the reset current I reset in NiO-based RRAM by limiting the set current through an integrated series MOSFET. I reset is shown to be controllable down to below 10 μA. The consequences of these findings for the select diode in the cross-bar array structure are finally discussed.
Nardi et al. (Fri,) studied this question.