The Effects of Ag Nanoislands on the Volatile Threshold-Switching Behaviors of Au/Ag/HfO₂/Ag Nanoislands/Au Devices

Figure 2

(a) Typical volatile I–V curves of the Au/Ag(2 nm)/HfO₂(4 nm)/Ag NIs/Au device with 80 cycles of DC voltage sweeps, (b) typical volatile I–V curves of the Au/Ag(2 nm)/HfO₂(4 nm)/Ag(2 nm)/Au device with several sweeps, (c) typical volatile I–V curves of the Au/Ag(2 nm)/HfO₂(6 nm)/Ag NIs/Au device with several sweeps, and (d) cumulative probabilities of V_th⁺ and V_th⁻ of the Au/Ag(2 nm)/HfO₂(4 nm)/Ag NIs/Au devices.

(a)

(b)

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(d)