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Modelling the diffusive growth of carbon fullerenes

机译:模拟碳富勒烯的扩散扩散

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Recently, the present authors proposed a model describing fullerene growth in carbon vapor for which the diffusion equation is assumed outside the fullerene and a family of possible Stefan conditions describe the growing fullerene surface. Here we consider a related model, but with the additional assumption that the fullerene surface atomic density is constant throughout the growth process, which is justified by experimental data. We show that this constraint on the fullerene lattice structure limits the solution to one possible Stefan condition. The proposed model may be extended to any nanostructure with constant atomic surface density.
机译:最近,本作者提出了一种描述碳蒸气中富勒烯生长的模型,该模型的扩散方程假定为富勒烯之外,并且可能的Stefan条件族描述了富勒烯表面的生长。在这里,我们考虑一个相关的模型,但另外假设富勒烯表面原子密度在整个生长过程中是恒定的,这由实验数据证明是正确的。我们表明,对富勒烯晶格结构的这种限制将解决方案限制在一个可能的Stefan条件下。所提出的模型可以扩展到具有恒定原子表面密度的任何纳米结构。

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