Analysis on the electromechanical fields in a piezoelectric semiconducting nanowire under torque deformation

Z. Cui, Shuaiqi Fan
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Abstract

A piezoelectric semiconducting ZnO nanowire under the action of a torque is analyzed. The shear stresses in the cross-section are acquired from classical elasticity. Based on the obtained results, the electric potential, the electric field and the electric displacements can be found from the Gauss law in electrostatics together with the conservation of charge. Numerical results show that the torque deformation produces large effect on the electric displacements but little contribution to the electric potential. The study is helpful to development of piezoelectric semiconductor devices.
压电半导体纳米线转矩变形下的机电场分析
分析了压电半导体氧化锌纳米线在转矩作用下的性能。截面上的剪应力由经典弹性理论得到。根据所得结果,可以根据静电学中的高斯定律和电荷守恒定理求得电势、电场和电位移。数值结果表明,转矩变形对电位移的影响较大,而对电势的影响较小。该研究对压电半导体器件的发展具有一定的指导意义。
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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