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. 2014 Mar 13;7(3):2155–2182. doi: 10.3390/ma7032155

Figure 6.

Figure 6.

RON/OFF ratio depending on the switching cycle in a TiN/TiOx/HfOx/TiN RRAM cell. The schematics show the shape of the filament in each state for the first and last cycles. Modified and reprinted with permission from [7]. Copyright 2008 IEEE.