Stable switching of resistive random access memory on the nanotip array electrodes

Kun-Tong Tsai, Chih-Hsiang Ho, Wen-Yuan Chang, Jr-Jian Ke, Elif Selin Mungan, Yuh-Lin Wang, Jr-Hau He

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

The formation/rupture of conducting filaments (CFs) in resistive random access memory (ReRAM) materials tune the electrical conductivities non-volatilely and are largely affected by its material composition [1], internal configurations [2] and external environments [3,4]. Therefore, controlling repetitive formation/rupture of CF as well as the spatial uniformity of formed CF are fundamentally important for improving the resistive switching (RS) performance. In this context, we have shown that by adding a field initiator, typically a textured electrode, both performance and switching uniformity of ReRAMs can be improved dramatically [5]. In addition, despite its promising characteristics, the scalable fabrication and structural homogeneity of such nanostructured electrodes are still lacking or unattainable, making miniaturization of ReRAM devices an exceeding challenge. Here, we employ nanostructured electrode (nanotip arrays, extremely uniform) formed spontaneously via a self-organized process to improve the ZnO ReRAM switching characteristics.
Original languageEnglish (US)
Title of host publication2016 74th Annual Device Research Conference (DRC)
PublisherInstitute of Electrical and Electronics Engineers (IEEE)
ISBN (Print)9781509028283
DOIs
StatePublished - Sep 13 2016

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