All-Metal-Nitride RRAM Devices
2015
This letter presents the novel CMOS-compatible all-metal-nitride resistive random access memory (RRAM) devices based on the TiN/AlN/TiN stack. The device has low operation current $ A, retention of $> 3\times 10^{5}$ s at 150 °C, and ac endurance of up to $10^{5}$ Hz. The device switch characteristics are found to agree with the filamentary switch mechanism. In addition, the RRAM devices built with an additional hafnium nitride capping layer have showed less switch voltage variations and stable switch characteristics.
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