Compact Modeling of the Switching Dynamics and Temperature Dependencies in TiO Memristors-Part II: Physics-Based Model

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Abstract

In the second part of this series, we propose a physics-based model for describing the temperature dependence of TiOx-based memristors, both switching and static. We show that the current-voltage (I-V) characteristics of memristor in the nonswitching regime, indicating a Schottky emission mechanism, can be described by minor modifications to the Schottky current equation. This leads to a physics-based static I-V compact model. Simultaneously, we show that the temperature dependence of the switching dynamics model parameters naturally emerges as a mere scaling factor from the static I-V model. This is a computationally efficient approach, which does not require any additional parameters to extend the switching dynamics model for incorporating thermal dependence.

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Vaidya, D., Kothari, S., Abbey, T., Stathopoulos, S., Michalas, L., Serb, A., & Prodromakis, T. (2021). Compact Modeling of the Switching Dynamics and Temperature Dependencies in TiO Memristors-Part II: Physics-Based Model. IEEE Transactions on Electron Devices, 68(10), 4885–4890. https://doi.org/10.1109/TED.2021.3102002

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