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 limiti...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 applica-tions.Here we report a self-powered and mechanically flexible device based on a BaTiO_(3) 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 BaTiO_(3) and LaNiO_(3),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.展开更多
基金supported by the National Natural Science Foundation of China(Grant No.52072041)the Beijing Natural Science Foundation(Grant No.JQ21007)the University of Chinese Academy of Sciences(Grant No.Y8540XX2D2).
文摘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 applica-tions.Here we report a self-powered and mechanically flexible device based on a BaTiO_(3) 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 BaTiO_(3) and LaNiO_(3),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.