Article

2020; 20(3): 431-437

Published online January 10, 2020 https://doi.org/10.1016/j.cap.2020.01.005

Copyright © The Korean Physical Society.

Rectifying resistance switching behaviors of SnO2 microsphere films modulated by top electrodes

Yuan R., Xia W., Xu M., Miao Z., Wu S., Zhang X., He J., Wang Q.

College of Physical Science and Technology, Yangzhou University, Yangzhou, 225002, China

Correspondence to:Wang, Qiang
physics science, Yangzhou University

Received: September 28, 2019; Accepted: January 6, 2020

Abstract

Based on the bipolar resistive switching (RS) characteristics of SnO2 films, we have fabricated a new prototypical device with sandwiched structure of Metal/SnO2/fluorine-doped tin oxide (FTO). The SnO2 microspheres film was grown on FTO glass by template-free hydrothermal synthesis, which was evaporated with various commonly used electrodes such as aluminium (Al), silver (Ag), and gold (Au), respectively. Typical self-rectifying resistance switching behaviors were observed for the RS devices with Al and Au electrodes. However, no obvious rectifying resistance switching behavior was observed for the RS device with Ag electrode. Above results were interpreted by considering the different interface barriers between SnO2 and top metal electrodes. Our current studies pave the ways for modulating the self-rectifying resistance switching properties of resistive memory devices by choosing suitable metal electrodes. © 2020 Korean Physical Society

Keywords: Metal electrodes, Rectifying resistance switching, Selfrectifying, SnO2 microspheres film

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