Light induced photovoltaic and pyroelectric effects in ferroelectric BaTiO3 film based Schottky interface for self-powered and flexible multi-modal logic gates

IF 22.7 1区 材料科学 Q1 MATERIALS SCIENCE, MULTIDISCIPLINARY
Infomat Pub Date : 2024-02-21 DOI:10.1002/inf2.12531
Huiyu Dan, Hongyu Li, Lan Xu, Chong Guo, Chris R. Bowen, Ya Yang
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引用次数: 0

Abstract

Optoelectronic logic gates have emerged as one of the key candidates for the creation of next generation logic devices. However, current optoelectronic logic gates can provide only one or two logic gates, severely limiting their applications. Here we report a self-powered and mechanically flexible device based on a BaTiO3 ferroelectric film to produce multi-modal logic gates. By exploiting the photo-induced photovoltaic and pyroelectric effects of a Schottky junction which is created between BaTiO3 and LaNiO3, the device is able to provide five different optoelectronic logic gates, which can be operated using input lasers of different wavelength (405 or 785 nm). The mode of operation of the logic gate can be switched by controlling the wavelength and intensity of the input laser, where the switching process is both lossless and reversible. A logic gate array was designed to conduct the five logic operations, with 100% accuracy, thereby providing application potential for the Internet of Things, big data, and secure solutions for data processing and transmission.

Abstract Image

Abstract Image

基于铁电 BaTiO3 薄膜的肖特基界面中的光诱导光伏效应和热释电效应,用于自供电和灵活的多模式逻辑门
光电子逻辑门已成为制造下一代逻辑器件的关键候选器件之一。然而,目前的光电逻辑门只能提供一个或两个逻辑门,严重限制了其应用。在此,我们报告了一种基于 BaTiO3 铁电薄膜的自供电机械柔性器件,可产生多模式逻辑门。通过利用在 BaTiO3 和 LaNiO3 之间形成的肖特基结的光诱导光电效应和热释电效应,该装置能够提供五种不同的光电逻辑门,可使用不同波长(405 或 785 纳米)的输入激光进行操作。逻辑门的工作模式可通过控制输入激光的波长和强度进行切换,切换过程是无损和可逆的。设计的逻辑门阵列可进行五种逻辑运算,准确率达到 100%,从而为物联网、大数据以及数据处理和传输的安全解决方案提供了应用潜力。
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来源期刊
Infomat
Infomat MATERIALS SCIENCE, MULTIDISCIPLINARY-
CiteScore
37.70
自引率
3.10%
发文量
111
审稿时长
8 weeks
期刊介绍: InfoMat, an interdisciplinary and open-access journal, caters to the growing scientific interest in novel materials with unique electrical, optical, and magnetic properties, focusing on their applications in the rapid advancement of information technology. The journal serves as a high-quality platform for researchers across diverse scientific areas to share their findings, critical opinions, and foster collaboration between the materials science and information technology communities.
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