径向边界力-锗(110)纳米线的价带结构

Honghuai Xu, Yuhui He, Yuning Zhao, G. Du, Jinfeng Kang, R. Han, Xiaoyan Liu, Chun Fan
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引用次数: 1

摘要

针对加工过程中产生的径向边界力,采用有限元法计算了Ge(110)纳米线(NW)的应变能分布和应变张量分量。基于应变分布,我们计算了不同径向力下的价带结构。随着力值的增加,顶价子带向下移动。对相应的有效质量和态密度的影响也进行了研究。
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Radial Boundary Forces-Modulated Valence Band Structure of Ge (110) Nanowire
For the radial boundary force induced in the process, the strain energy distribution and strain tensor components in Ge (110) nanowire (NW) are calculated by finite element method. Based on the strain distribution, we compute valence band structures with different radial forces. As increasing force values, top valence subbands shift downwards. The influence on the corresponding effective masses and density of states are also investigated.
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