Electromechanical Fields Near a Circular PN Junction Between Two Piezoelectric Semiconductors

被引：1
|
作者：
Yixun Luo [1 ]
Ruoran Cheng [1 ]
Chunli Zhang [1 ,2 ,3 ]
Weiqiu Chen [1 ,2 ,3 ]
Jiashi Yang [1 ,4 ]
机构：
[1] Department of Engineering Mechanics,Zhejiang University
[2] Soft Matter Research Center (SMRC),Zhejiang University
[3] Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province
[4] Department of Mechanical and Materials Engineering,University of Nebraska-Lincoln
来源：
Acta Mechanica Solida Sinica | 2018年 / 31卷 / 02期
基金：
中央高校基本科研业务费专项资金资助; 中国国家自然科学基金;
关键词：
Piezoelectric semiconductors; Cylinder; Carriers; PN junction; Electromechanical coupling;
D O I：
暂无
中图分类号：
O475 [P-N结];
学科分类号：
070205 ; 080501 ; 0809 ; 080903 ;
摘要：
We study electromechanical fields near the interface between a circular piezoelectric semiconductor cylinder and another piezoelectric semiconductor in which it is embedded.The cylinder is p-doped. The surrounding material is n-doped. The phenomenological theory of piezoelectric semiconductors consisting of the equations of piezoelectricity and the conservation of charge for holes and electrons is used. The theory is linearized for small carrier concentration perturbations. An analytical solution is obtained, showing the formation of a PN junction near the interface. Various electromechanical fields associated with the junction are calculated. The effects of a few physical parameters are examined.
引用
收藏
页码：127 / 140
页数：14
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