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Pulse-induced resistive and capacitive switching in TiO2 thin film devices

Pulse-induced resistive and capacitive switching in TiO2 thin film devices
Pulse-induced resistive and capacitive switching in TiO2 thin film devices
In this study we exploit the non-zero crossing current-voltage characteristics exhibited by nanoscale TiO2 based solid-state memristors. We demonstrate that the effective resistance and capacitance of such two terminal devices can be modulated simultaneously by appropriate voltage pulsing. Our results prove that both resistive and capacitive switching arise naturally in nanoscale Pt/TiO2/Pt devices under an external bias, this behaviour being governed by the formation/disruption of conductive filaments through the TiO2 thin film.
0003-6951
Salaoru, I.
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Khiat, A.
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Li, Q.
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Berdan, R.
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Prodromakis, T.
d58c9c10-9d25-4d22-b155-06c8437acfbf
Salaoru, I.
e3ef4b52-c1df-4ecc-ad0f-472836857407
Khiat, A.
bf549ddd-5356-4a7d-9c12-eb6c0d904050
Li, Q.
54e51d2b-808c-42f2-95bb-62b4110df4dd
Berdan, R.
082f1f5b-eaee-48a6-b728-414fc65f72bd
Prodromakis, T.
d58c9c10-9d25-4d22-b155-06c8437acfbf

Salaoru, I., Khiat, A., Li, Q., Berdan, R. and Prodromakis, T. (2013) Pulse-induced resistive and capacitive switching in TiO2 thin film devices. Applied Physics Letters, 103 (24).

Record type: Article

Abstract

In this study we exploit the non-zero crossing current-voltage characteristics exhibited by nanoscale TiO2 based solid-state memristors. We demonstrate that the effective resistance and capacitance of such two terminal devices can be modulated simultaneously by appropriate voltage pulsing. Our results prove that both resistive and capacitive switching arise naturally in nanoscale Pt/TiO2/Pt devices under an external bias, this behaviour being governed by the formation/disruption of conductive filaments through the TiO2 thin film.

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Published date: December 2013
Related URLs:
Organisations: Nanoelectronics and Nanotechnology

Identifiers

Local EPrints ID: 359989
URI: http://eprints.soton.ac.uk/id/eprint/359989
ISSN: 0003-6951
PURE UUID: 9eea2bdb-0779-410f-9b1c-b003fe3e47ab
ORCID for T. Prodromakis: ORCID iD orcid.org/0000-0002-6267-6909

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Date deposited: 20 Nov 2013 14:16
Last modified: 14 Mar 2024 15:31

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Contributors

Author: I. Salaoru
Author: A. Khiat
Author: Q. Li
Author: R. Berdan
Author: T. Prodromakis ORCID iD

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