Fastswitching andlongretention Fe-OReRAM anditsswitching mechanism
S. Muraoka, K. Osano, Yuchi Kanzawa, Shohei Mitani, Susumu Fujii, Koji Katayama, Yutai Katoh, Zhipeng Wei, Tokuji Mikawa, K. Arita, Yoshiaki Kawashimà, Ryokei Azuma, Kentaro Kawai, K. Shimakawa, Akihiro Odagawa · 2007
gradually changes (Fe3O4 -*y-Fe2O3 -* a-Fe2O3) on A novel iron oxide (Fe-O) ReRAMisproposed andits increasing theannealing temperature. high-speed resistance-switching of10nsisdemonstrated.Figure 4 showsthecorrelation between theinitial Theswitching mechanism isconfirmed asaredox reactionresistance andtheoccurrence ofI-Vhysteresis, as between Fe3O4andy-Fe2O3. Basedonthismodel, we indicated intheinset. Fromthis result itappears that the haveachieved long-retention characteristics byintroducing crystal structures ofFe-Ofilms playanimportant role in Znatomstosuppress thereduction process. resistance-switching,