The reversible resistive switching in ZnO nanowire-based memristive devices is here discussed. Four configurations were studied: top electrode in Pt, with and without polymer coating (polyacrylic acid); top electrode in Cu, with and without the same polymer coating. All the tested devices showed a bipolar resistive switching behavior, with enhanced I-V non-linearity when coated with the polymer. While well-known physical mechanisms such as vacancy and ion-dominated conduction are clearly involved in resistive switching of ZnO nanowires, the coating with the polymer induces new features in the I-V characteristics, probably thanks to the modification of the surface states of ZnO nanowires. Thus, new memristive nanodevices with enhanced electrical features can be developed with such approach.

Polymer coated ZnO nanowires for memristive devices / Jasmin, Alladin; Porro, Samuele; Chiolerio, Alessandro; Pirri, Candido; Ricciardi, Carlo. - ELETTRONICO. - (2015), pp. 496-498. (Intervento presentato al convegno 15th International Conference in Nanotechnology tenutosi a Rome (Italy) nel July 2015) [10.1109/NANO.2015.7388647].

Polymer coated ZnO nanowires for memristive devices

JASMIN, ALLADIN;PORRO, SAMUELE;CHIOLERIO, ALESSANDRO;PIRRI, Candido;RICCIARDI, Carlo
2015

Abstract

The reversible resistive switching in ZnO nanowire-based memristive devices is here discussed. Four configurations were studied: top electrode in Pt, with and without polymer coating (polyacrylic acid); top electrode in Cu, with and without the same polymer coating. All the tested devices showed a bipolar resistive switching behavior, with enhanced I-V non-linearity when coated with the polymer. While well-known physical mechanisms such as vacancy and ion-dominated conduction are clearly involved in resistive switching of ZnO nanowires, the coating with the polymer induces new features in the I-V characteristics, probably thanks to the modification of the surface states of ZnO nanowires. Thus, new memristive nanodevices with enhanced electrical features can be developed with such approach.
2015
9781467381550
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11583/2639168
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