摘要
本文利用2维轴对称有限元模型,对嵌入在GaAs中的InAs量子点的应变场进行了模型化,用ANSYS软件计算了金字塔形、台形和圆顶形半导体量子点的弹性应变和应变能.讨论了弹性应变能与量子点平衡形状的关系,通过比较三种形状量子点的能量得出了量子点的稳定结构形状.
The distribution of the elastic strain and elastic strain energy in the semiconductor quantum dots is calculated by using the finite element package. The elastic strain and strain energy in three shaped quantum dots are calculated, and the most stable shape of the quantum dots under the thermalequilibrium condition is deduced.
出处
《中央民族大学学报（自然科学版）》
2005年第1期84-88,共5页
Journal of Minzu University of China(Natural Sciences Edition)
基金
国家863项目(No.2003AA311070)
关键词
有限元
量子点
应变场
finite-element method
quantum dots
strain fields
