Low-Power Resistive Switching Characteristics in TiN/TaON/SiO 2 /Pt RRAM devices for Neuromorphic Applications
2019
In this work, the TiN/TaON/SiO 2 /Pt and TiN/TaON/Pt RRAM devices are fabricated and investigated. Compared with the TiN/TaON/Pt control device, TiN/TaON/SiO 2 /Pt RRAM devices with inserted SiO 2 thin film show larger (x10) resistive window at the set compliance current of 1mA. TiN/TaON/SiO 2 /Pt RRAM devices show low-power resistive switching characteristic with set power of nearly 28.5µW (5.7V 5µA) and reset power of nearly 5.4µW (5.4V 1µA). Endurance characteristic with low-power resistive switching over 106 is demonstrated. The inserted SiO 2 thin film may play the role of current limiting layer to achieve the low-power resistive switching characteristics in TiN/TaON/SiO 2 /Pt RRAM devices.
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