复合压电半导体纤维中应力诱发电位势垒的扩展

IF 1.3 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Ferroelectrics Letters Section Pub Date : 2021-11-01 DOI:10.1080/07315171.2021.1971007
Shuai Ju, Haifeng Zhang, Jia-shi Yang
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引用次数: 3

摘要

摘要研究了具有压电介质层和非压电半导体层的复合纤维的拉伸性能。利用压电半导体光纤的一维宏观模型进行了理论分析。得到了具有均匀非压电半导体层和分段均匀压电介电层的光纤的解析解。数值结果表明,在片状均匀压电层之间的连接处附近形成了电势势垒。势垒取决于拉伸应力。它可以用于机械地操纵纤维中的导电等电学行为,因此在压电电子学中具有潜在的应用。
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Stress induced potential barriers in composite piezoelectric semiconductor fibers in extension
Abstract We study the extension of composite fibers with piezoelectric dielectric layers and nonpiezoelectric semiconductor layers. A theoretical analysis is performed using the one-dimensional macroscopic model of piezoelectric semiconductor fibers. An analytical solution is obtained for a fiber with a uniform nonpiezoelectric semiconductor layer and piecewise uniform piezoelectric dielectric layers. Numerical results show that an electric potential barrier forms near the junction between the piecewise uniform piezoelectric layers. The potential barrier depends on the extensional stress. It may be used to manipulate the electrical behaviors such as the conduction in the fiber mechanically and thus has potential applications in piezotronics.
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来源期刊
Ferroelectrics Letters Section
Ferroelectrics Letters Section 物理-物理:凝聚态物理
CiteScore
1.10
自引率
0.00%
发文量
1
审稿时长
4.8 months
期刊介绍: Ferroelectrics Letters is a separately published section of the international journal Ferroelectrics. Both sections publish theoretical, experimental and applied papers on ferroelectrics and related materials, including ferroelastics, ferroelectric ferromagnetics, electrooptics, piezoelectrics, pyroelectrics, nonlinear dielectrics, polymers and liquid crystals. Ferroelectrics Letters permits the rapid publication of important, quality, short original papers on the theory, synthesis, properties and applications of ferroelectrics and related materials.
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