压电金属-绝缘体-半导体结的电容研究

IF 1.3 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER
Lei Yang, Jianke Du, Ji Wang, Jia-shi Yang
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引用次数: 0

摘要

摘要研究了压电金属-绝缘体-半导体结的电容。使用压电介质和半导体的线性化宏观理论。得到了结电容的解析解和显式表达式。半导体部分的贡献由德拜长度表征。当半导体部分比德拜长度长时,结电容可以写成绝缘体和半导体部分的两个电容的串联。由于压电耦合的存在,引入了电荷-应力系数来全面描述结的特性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
On the Capacitance of Piezoelectric Metal–Insulator–Semiconductor Junctions
Abstract We study the capacitance of piezoelectric metal–insulator–semiconductor junctions. The linearized macroscopic theories of piezoelectric dielectrics and semiconductors are used. An analytical solution is obtained with an explicit expression for the junction capacitance. The contribution from the semiconductor part is characterized by the Debye length. When the semiconductor part is long compared to the Debye length, the junction capacitance can be written as a serial connection of two capacitors of the insulator and semiconductor parts. Because of piezoelectric coupling, a charge-stress coefficient is introduced to describe the junction behavior completely.
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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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