Fast switching and long retention Fe-O ReRAM and its switching mechanism

A novel iron oxide (Fe-O) ReRAM is proposed and its high-speed resistance-switching of 10 ns is demonstrated. The switching mechanism is confirmed as a redox reaction between Fe<sub>3</sub>O<sub>4</sub> and y-Fe<sub>2</sub>O<sub>3</sub>. Based on this model, we have achieved long-retention characteristics by introducing Zn atoms to suppress the reduction process.