Nb1-xO2 based Universal Selector with Ultra-high Endurance (>1012), high speed (10ns) and Excellent Vth Stability
2019
In this work, we demonstrate a high performance Nb 1- x O 2 based selector with thermal feedback mechanism for 3D X-point application. Ultra-high endurance $(> 10^{12})$ , high operation speed (10ns), bidirectional operation and excellent V th stability were achieved. By adding a barrier layer between Nb 1-x O 2 film and electrode, the off-state leakage current was reduced by one order of magnitude (selectivity as high as 500). This work provides a universal selector solution for various emerging memories, including RRAM, MRAM and PCM.
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