Size-dependent vibrations and waves in piezoelectric nanostructures: a literature review

IF 4.5 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

International Journal of Smart and Nano Materials Pub Date : 2022-06-28 DOI:10.1080/19475411.2022.2091058

Zinan Zhao, Jun Zhu, Wei-qiu Chen

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引用次数: 14

Abstract

ABSTRACT With the development and applications of nano-electro-mechanical systems, academic interest in the mechanical behavior of piezoelectric structures at nanoscale is increasing. Interesting unconventional phenomena have been observed either experimentally or through molecular dynamics simulation. The most common and also important one is the size-dependent characteristics. Classical continuum mechanics with necessary modifications has been proven to be very powerful in explaining these particular characteristics in a relatively simple theoretical framework. This article reviews the recent advances in understanding the size-dependent dynamic responses of piezoelectric nanostructures from the viewpoint of modified continuum mechanics. Particular attentions are paid to three advanced theories of piezoelectricity (e.g. gradient piezoelectricity, surface piezoelectricity, and nonlocal piezoelectricity) and their abilities to predict unconventional vibration and wave characteristics in piezoelectric structures and devices at the nanoscale. The article could serve as a useful reference for the future research on or design of nanostructures with multifield couplings. Graphical Abstract

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压电纳米结构中与尺寸相关的振动和波:文献综述

随着纳米机电系统的发展和应用，学术界对压电结构在纳米尺度上的力学行为越来越感兴趣。通过实验或分子动力学模拟观察到有趣的非常规现象。最常见也是最重要的是尺寸依赖特性。经必要修正的经典连续介质力学已被证明在一个相对简单的理论框架内非常有力地解释了这些特殊的特征。本文从修正连续介质力学的角度综述了近年来在理解压电纳米结构尺寸相关动力响应方面的研究进展。特别关注三个先进的压电理论(如梯度压电、表面压电和非局部压电)及其预测纳米级压电结构和器件中的非常规振动和波特性的能力。本文为今后多场耦合纳米结构的研究和设计提供了有益的参考。图形抽象

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来源期刊

International Journal of Smart and Nano Materials MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

6.30

自引率

5.10%

发文量

审稿时长

11 weeks

期刊介绍： The central aim of International Journal of Smart and Nano Materials is to publish original results, critical reviews, technical discussion, and book reviews related to this compelling research field: smart and nano materials, and their applications. The papers published in this journal will provide cutting edge information and instructive research guidance, encouraging more scientists to make their contribution to this dynamic research field.