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Table 5 Comparison of RRAM models

From: Resistive Random Access Memory (RRAM): an Overview of Materials, Switching Mechanism, Performance, Multilevel Cell (mlc) Storage, Modeling, and Applications

 ASU/Stanford [130]–[132]Physical electro-thermal model [135]Huang’s physical model [142]Filament dissolution model [143]–[145]Bocquet bipolar model [148]
Device typeBipolarBipolarBipolarUnipolarBipolar
State variableFilament gap (g)Ion concentrationFilament gap (g)Ion concentrationRadius of CF
   and width of CF  
Control mechanismVoltageVoltageVoltageVoltageVoltage
Simulation compatibleSPICE/VerilogCOMSOLSPICECOMSOLSPICE