Carrier transport and I-V plots. (a) The carrier transport analyzed in conduction mechanism for LRS and HRS of the single bilayer Zr:SiO2/porous SiO2 RRAM devices by the curve fitting. (b) In (I-V), (c) In (I-V1/2), and (d) In (I-V) plots.
Chang et al. Nanoscale Research Letters 2013 8:523 doi:10.1186/1556-276X-8-523