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27 April 2024

» arxiv » 1509.0208

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Kinetic Simulation of Filament Growth Dynamics in Memristive Electrochemical Metallization Devices
Sven Dirkmann ; Martin Ziegler ; Mirko Hansen ; Hermann Kohlstedt ; Jan Trieschmann ; Thomas Mussenbrock ;
Date:	1 Sep 2015
Abstract:	In this work we report on kinetic Monte-Carlo calculations of resistive switching and the underlying growth dynamics of filaments in an electrochemical metalization device consisting of an Ag/TiO2/Pt sandwich-like thin film system. The developed model is not limited to i) fast time scale dynamics and ii) only one growth and dissolution cycle of metallic filaments. In particular, we present results from the simulation of consecutive cycles. We find that the numerical results are in excellent agreement with experimentally obtained data. Additionally, we observe an unexpected filament growth mode which is in contradiction to the widely acknowledged picture of filament growth, but consistent with recent experimental findings.
Source:	arXiv, 1509.0208
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