Resistive switching 6 Applied electric field 4 Computer simulation 4 Electric fields 4 Hysteresis 4 Hysteresis switching 4 Initial state 4 Manganese oxide 4 Microscopic mechanisms 4 Oxygen 4 Oxygen vacancies 4 Realistic model 4 Resistance state 4 Switching 4 Switching thresholds 4 Transition metal compounds 4 Transition metals 4 Transition-metal oxides 4 Vacancies 4 Adaptive thresholds 2 Circuit simulation 2 Conduction Mechanism 2 Current-voltage response 2 Electrical circuit 2 Electrodes 2 Memristor 2 Memristors 2 Switching threshold voltage 2 Threshold voltage 2 Titanium dioxide 2