自旋波逻辑门的关键器件研究进展  

Recent advances in key elements of spin-wave logic gates

作　　者：张子康 金立川 文天龙 廖宇龙 唐晓莉[1] 张怀武[1] 钟智勇[1] Zikang ZHANG;Lichuan JIN;Tianlong WEN;Yulong LIAO;Xiaoli TANG;Huaiwu ZHANG;Zhiyong ZHONG(State Key Laboratory of Electronic Thin Films and Integrated Devices,University of Electronic Science and Technology of China,Chengdu 610054,China)

机构地区：[1]电子科技大学电子薄膜与集成器件国家重点实验室,成都610054

出　　处：《中国科学：信息科学》2020年第1期67-86,共20页Scientia Sinica(Informationis)

基　　金：国家自然科学基金(批准号:61734002,61571079,51702042);国家重点研发计划(批准号:2016YFA0300801)资助项目。

摘　　要：传统电荷型器件的发展已接近摩尔定律的极限,亟需寻求新原理或新架构进行信息处理,用"非电荷型器件"替代传统的"电荷型器件"是一种极具潜力的途径.其中利用电子自旋的集体进动所产生的自旋波进行信息的输运及计算,有可能成为后摩尔时代信息传输与处理的重要方式.自旋波逻辑器件在能量损耗、器件尺寸应用频段、逻辑实现等诸多方面具有传统器件无法比拟的优势.本文在介绍Mach-Zehnder干涉型自旋波逻辑门工作原理的基础上,从器件层面剖析自旋波逻辑门中的关键器件的实现原理,并系统性综述了这些关键器件近年来的研究进展.论文最后就自旋波逻辑门的未来发展做出了展望.Traditional charge-based device development is approaching the limit of Moore’s law,thus,there is a desperate need for new information processing principles or architectures.Replacing traditional chargebased devices with non-charge-based devices for information processing shows promise.Spin waves,which are generated from the collective precession of electron spins,are thought to be an important information carrier for the transmission and processing of information in a beyond-Moore era.Spin-wave logic gates possess incomparable advantages over traditional logic devices in energy consumption,device scale,application frequency,and logical operation,among other factors.This article explains the operating principles of spin-wave logic gates based on a Mach-Zehnder interferometer structure,and then analyzes the realization theory of key spin-wave logic gate elements at a device level.Recent advances in these key elements are also reviewed systematically.Lastly,future prospects of spin-wave logic gates are discussed.

关 键 词：自旋波电子学 磁振子 自旋波 MACH-ZEHNDER干涉仪 逻辑门 

分 类 号：TN43[电子电信—微电子学与固体电子学]