Affiliation:
1. Emerging Technologies Research Centre De Montfort University The Gateway Leicester LE18BH UK
Abstract
AbstractThis work focuses on the non‐zero‐crossing and open‐loop current–voltage (I–V) characteristics of electronic memory devices that are studied and focused on primarily for non‐volatile memory storage applications. Gold nanoparticles‐based devices are fabricated to understand possible non‐crossing zero and open‐loop current–voltage behavior, where a non‐zero current and open loop I–V characteristics are observed at zero voltage. While other studies have attributed this behavior as a “battery effect”, this study presents an alternate perspective for non‐redox‐based charge storage memory devices. The electrical measurements clearly demonstrate that the non‐zero current and open‐loop characteristics are due to the charge trapping of the gold nanoparticles. The charge accumulation within the nanoparticle is observed to create a non‐zero potential within the device and thereby encouraging such behavior, even though the applied external voltage is zero. The longstanding mystery in deciphering if electrical measurements or the charge storage device contributes toward non‐zero property is unfurled in this article. A possible charge storage model is proposed and further verified using liquid crystals‐based two terminal devices. The presence of internal potential leads to an offset within the devices, a non‐zero current and open‐loop I–V even when the external applied voltage is zero.
Funder
Engineering and Physical Sciences Research Council
Subject
Electronic, Optical and Magnetic Materials
Cited by
2 articles.
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