Fig. 3: Mechanism of Opto-Resistive RAM Switch.

a–c The conducing states in the Opto-Resistive RAM Switch at (a) initial state, b SET process without optical input, and (c) SET process with optical input. d–f Corresponding energy band diagram of Opto-Resistive RAM Switch at (d) initial state, e SET process without optical input, and (f) SET process with optical input