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Anomalous resistive switching phenomenon

Lookup NU author(s): Professor Jon Goss, Dr Kelvin Kwa, Professor Anthony O'Neill

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Abstract

Resistive switching was observed in Pt/SrTiO3/Pt capacitor devices. The switching depends on both the amplitude and polarity of the applied voltage and cannot be described as either bipolar or unipolar resistive switching. We term this behavior antipolar due to the opposite polarity of the set voltage relative to the previous reset voltage. A model based on electron injection by tunneling at interfaces and a Poole-Frenkel mechanism through the bulk is proposed. This model is quantified by use of a simple mathematical equation to simulate the experimental results. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4770489]

Publication metadata

Author(s): Mojarad SA, Goss JP, Kwa KSK, Petrov PK, Zou B, Alford N, O'Neill A

Publication type: Article

Publication status: Published

Journal: Journal of Applied Physics

Year: 2012

Volume: 112

Issue: 12

Print publication date: 27/12/2012

Date deposited: 29/07/2014

ISSN (print): 0021-8979

ISSN (electronic): 1089-7550

Publisher: American Institute of Physics

URL: http://dx.doi.org/10.1063/1.4770489

DOI: 10.1063/1.4770489

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