A brief review on the recent development of phonon engineering and manipulation at nanoscales

IF 16.1 1区 工程技术 Q1 ENGINEERING, MANUFACTURING
Siqi Xie, Hongxin Zhu, Xing Zhang, Haidong Wang
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引用次数: 1

Abstract

Abstract Phonons are the quantum mechanical descriptions of vibrational modes that manifest themselves in many physical properties of condensed matter systems. As the size of electronic devices continues to decrease below mean free paths of acoustic phonons, the engineering of phonon spectra at the nanoscale becomes an important topic. Phonon manipulation allows for active control and management of heat flow, enabling functions such as regulated heat transport. At the same time, phonon transmission, as a novel signal transmission method, holds great potential to revolutionize modern industry like microelectronics technology, and boasts wide-ranging applications. Unlike fermions such as electrons, polarity regulation is difficult to act on phonons as bosons, making the development of effective phonon modulation methods a daunting task. This work reviews the development of phonon engineering and strategies of phonon manipulation at different scales, reports the latest research progress of nanophononic devices such as thermal rectifiers, thermal transistors, thermal memories, and thermoelectric devices, and analyzes the phonon transport mechanisms involved. Lastly, we survey feasible perspectives and research directions of phonon engineering. Thermoelectric analogies, external field regulation, and acousto-optic co-optimization are expected to become future research hotspots.
简要综述了声子工程和纳米尺度声子操作的最新进展
声子是对振动模式的量子力学描述,它体现在凝聚态系统的许多物理性质中。随着电子器件尺寸不断减小到声子平均自由程以下,纳米尺度声子光谱工程成为一个重要课题。声子操作允许热流的主动控制和管理,使功能,如调节热传输。同时,声子传输作为一种新型的信号传输方式,对微电子技术等现代工业的变革具有巨大的潜力,具有广泛的应用前景。与费米子(如电子)不同,极性调节很难像玻色子一样作用于声子,这使得开发有效的声子调制方法成为一项艰巨的任务。本文综述了声子工程的发展和不同尺度声子操纵策略,报道了热整流器、热晶体管、热存储器和热电器件等纳米声子器件的最新研究进展,并分析了其中涉及的声子输运机制。最后,展望了声子工程的可行前景和研究方向。热电类比、外场调节和声光协同优化有望成为未来的研究热点。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
International Journal of Extreme Manufacturing
International Journal of Extreme Manufacturing Engineering-Industrial and Manufacturing Engineering
CiteScore
17.70
自引率
6.10%
发文量
83
审稿时长
12 weeks
期刊介绍: The International Journal of Extreme Manufacturing (IJEM) focuses on publishing original articles and reviews related to the science and technology of manufacturing functional devices and systems with extreme dimensions and/or extreme functionalities. The journal covers a wide range of topics, from fundamental science to cutting-edge technologies that push the boundaries of currently known theories, methods, scales, environments, and performance. Extreme manufacturing encompasses various aspects such as manufacturing with extremely high energy density, ultrahigh precision, extremely small spatial and temporal scales, extremely intensive fields, and giant systems with extreme complexity and several factors. It encompasses multiple disciplines, including machinery, materials, optics, physics, chemistry, mechanics, and mathematics. The journal is interested in theories, processes, metrology, characterization, equipment, conditions, and system integration in extreme manufacturing. Additionally, it covers materials, structures, and devices with extreme functionalities.
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