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阐述了逻辑器件的研究背景,指出了传统基于硅的器件的发展面临的严峻挑战。同时,简要分析了新兴碳纳米金属氧化物半导体场效应晶体管和石墨烯金属氧化物半导体场效应晶体管的优势和不足,进而阐述了以自旋波为基础的逻辑器件在尺寸减小、功耗降低和传输速度提高等方面的显著优势和广阔的应用前景,并对其研究进展进行简要概述。分析了基于Mach-Zehnder型干涉仪、基于表面自旋波非互易性传播特性、基于弯道型波导结构以及基于磁电结构单元等构筑的自旋波逻辑器件的典型机制,并讨论了每种逻辑器件实现机制的优点与不足。最后,指出基于自旋波的逻辑器件的发展面临的挑战和发展方向。
The research background of logic devices is expounded, and the severe challenges of the development of traditional silicon-based devices are pointed out. At the same time, the advantages and disadvantages of newly emerging carbon nanotube field effect transistors and graphene MOSFETs are briefly analyzed, and then the advantages of the spin-wave based logic devices in terms of size reduction and power consumption reduction And transmission speed and other aspects of the significant advantages and broad prospects for the application, and a brief overview of its research progress. The typical mechanism of Mach-Zehnder interferometer, non-reciprocal propagation based on surface spin wave, spin-wave waveguide based on curved waveguide structure and spin-wave logic device based on magnetoelectric structure unit are analyzed. The advantages and disadvantages of logic device realization mechanism. Finally, it points out the challenges and development directions of the development of logic devices based on spin waves.