金属纳米棒最小直径的广义理论
Generalized Theory of Smallest Diameter of Metallic Nanorods
摘要：
这封信报告了一个广义理论的最小直径的金属纳米棒的物理气相沉积。概括纳入纳米棒分离和范德华相互作用的几何阴影的影响。与此相反，以前的理论理想化的几何阴影[物理。110，136102（2013）]不包括对纳米棒分离的任何依赖性，并且它预测直径大约是广义理论所做的。作为验证，数值解和广义理论的封闭形式同意的有效沉积通量。作为验证，物理气相沉积的实验和广义理论同意在纳米棒的分离的函数的直径方面。
英文摘要：
This Letter reports a generalized theory of the smallest diameter of metallic nanorods from physical vapor deposition. The generalization incorporates the effects of nanorod separation and those of van der Waals interactions on geometrical shadowing. In contrast, the previous theory for idealized geometrical shadowing [Phys. Rev. Lett. 110, 136102 (2013)] does not include any dependence on nanorod separation and it predicts the diameter to be about to of what the generalized theory does. As verification, numerical solutions and the generalized theory in closed-form agree in terms of effective deposition flux. As validation, experiments of physical vapor deposition and the generalized theory agree in terms of the diameter as a function of the separation of nanorods.
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