论文标题
控制锥形纳米线的形状：Burton-Cabrera-Frank模型的教训
Controlling the shape of a tapered nanowire: lessons from the Burton-Cabrera-Frank model
论文作者
论文摘要
纳米线生长过程中侧壁步骤的传播是在Burton-Cabrera-Frank模型的框架中计算的。纳米线的稳定形状包括锥体部分顶部的圆柱体：它们的特性是作为催化剂 - 纳米线区域半径的函数获得的，露台上Adatoms的脱附限制扩散长度，以及Adatoms在步骤边缘的粘附。与实验数据的比较使我们能够评估INP和Znte纳米线的最后两个参数。它揭示了两种材料的不同行为，与脱附限制扩散长度的数量级有关的差异有关。
The propagation of sidewall steps during the growth of nanowires is calculated in the frame of the Burton-Cabrera-Frank model. The stable shape of the nanowire comprises a cylinder section on top of a cone section: their characteristics are obtained as a function of the radius of the catalyst-nanowire area, the desorption-limited diffusion length of adatoms on the terraces, and the sticking of adatoms at step edges. The comparison with experimental data allows us to evaluate these last two parameters for InP and ZnTe nanowires; it reveals a different behavior for the two materials, related to a difference by an order of magnitude of the desorption-limited diffusion length.
