标题： 基于二维材料中声电荷传输的综合模拟信号处理平台 显示英文标题

标题： Comprehensive Analog Signal Processing Platform Enabled with Acoustic Charge Transport in Two-dimensional Materials

摘要： 二维声电荷传输(2D-ACT)器件，将二维半导体EFT与高频表面声波(SAW)器件集成，为无线、非接触、低损耗和实时处理模拟信号提供了一个潜在的紧凑平台。预计可用于远距离空间通信和传感。然而，目前对2D ACT器件的研究仍局限于直流声电电流的观察，尚未实现实时电子信号处理能力。在本文中，我们设计了一个由二维半导体EFT和SAW器件组成的混合声电平台。该平台能够处理直流信号，表现出双极性传输行为。平台内的FET的亚波长沟道长度允许在微观尺度上实时观察载流子分布，结合SAW势，并促进交流信号的再现和强度调节。通过调整两个反向传播SAW的相对相位和强度比，该平台还能够实现交流信号的加减。 显示英文摘要

摘要： Two-dimensional Acoustic Charge Transport (2D-ACT) devices, which integrate two dimensional semiconductor EFT with high-frequency surface acoustic wave (SAW) device provide a potential compact platform for the processing of analog signals in a wireless, non-contact, low-loss and real-time way. It is expected to be used in long distance space communication and sensing. However, current investigations into 2D ACT devices are still limited to the observation of DC acoustoelectric currents, and have yet to achieve real-time electronic signal processing capabilities. In this paper, we have designed a hybrid acoustoelectric platform composed of two-dimensional semiconductor EFT and SAW device. The platform is capable of processing DC signals, exhibiting ambipolar transport behavior. The sub-wavelength channel length of the FET within the platform allows for the real-time observation of carrier distribution at a microscopic scale in conjunction with the SAW potential, and facilitating the reproduction and intensity regulation of AC signals. By adjusting the relative phase and intensity ratio of two counter-propagating SAWs, the platform also enables the addition and subtraction of AC signals.