Proceedings of MATSUS Spring 2025 Conference (MATSUSSpring25)
DOI: https://doi.org/10.29363/nanoge.matsusspring.2025.434
Publication date: 16th December 2024
Amorphous oxide semiconductor (AOS) technology has emerged as a transformative platform for the development of advanced memory and logic devices, particularly in the field of flexible electronics. This talk will explore the evolution of AOS-based devices, from Thin-Film Transistors (TFTs) to Resistive switching RAMs (RRAMs), and their integration into a range of computing paradigms. AOS materials, such as Indium Gallium Zinc Oxide (IGZO), offer unique properties like high mobility, low temperature processing, and excellent flexibility, making them ideal for next-generation electronics. We will first examine the capabilities of IGZO TFTs, which have demonstrated remarkable performance in various display, sensor, and neuromorphic applications, highlighting their role as efficient access transistors in RRAMs crossbar arrays. Next, we will discuss the transition to RRAMs and how these devices exploit the resistive switching mechanism for non-volatile memory, enabling high-speed, low-power data storage. The advantages of RRAM technology, including its scalability, endurance, and energy efficiency, will be emphasized, particularly in the context of emerging neuromorphic computing systems such as Reservoir computing (RC). We also discuss the integration of AOS-based RRAMs into flexible and wearable electronics, highlighting their potential to revolutionize both conventional and unconventional computing paradigms. The goal of this talk is to provide insights into the progress of AOS-based RRAM technology and to inspire further exploration of its potential to reshape the future of computing, from memory-intensive applications to neuromorphic and AI-driven systems.
This work has been (partially) supported by the Smart Networks and Services Joint Undertaking (SNS JU) under the European Union's Horizon Europe research and innovation programme under Grant Agreement No 101097101, including top-up funding by UK Research and Innovation (UKRI) under the UK government’s Horizon Europe funding guarantee. Addiotnally, the project OPERA, reference 2022. 08132.PTDC of the Associate Laboratory Institute of Nanostructures, Nanomodelling and Nanofabrication—i3N.
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