Bifurcation analysis of a TaO memristor model

This paper presents a study of bifurcation in the time-averaged dynamics of TaO memristors driven by narrow pulses of alternating polarities. The analysis, based on a physics-inspired model, focuses on the stable fixed points and on how these are affected by the pulse parameters. Our main finding is...

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Bibliographic Details
Published in:	Journal of physics. D, Applied physics Applied physics, 2019-12, Vol.52 (50), p.505304
Main Authors:	Pershin, Y V, Slipko, V A
Format:	Article
Language:	eng
Subjects:	bifurcation memristor resistance switching memories stable fixed point
Online Access:	Get full text
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Summary:	This paper presents a study of bifurcation in the time-averaged dynamics of TaO memristors driven by narrow pulses of alternating polarities. The analysis, based on a physics-inspired model, focuses on the stable fixed points and on how these are affected by the pulse parameters. Our main finding is the identification of a driving regime when two stable fixed points exist simultaneously. To the best of our knowledge, such bistability is identified in a single memristor for the first time. This result can be readily tested experimentally, and is expected to be useful in future memristor circuit designs.
ISSN:	0022-3727 1361-6463