原子力显微镜轮廓的镜面效应使针尖重建成为可能
Mirror Effect from Atomic Force Microscopy Profiles Enables Tip Reconstruction
摘要：
在这项工作中，在原子力显微镜的尖端卷积效应被重新审视，以说明立方体物体的能力，用于确定尖端的形状和大小。利用分子基立方纳米粒子作为参考，一个两步尖端重建过程已经开发出来。首先，通过对卷积误差的分析来估计尖端到面的角度，同时从实验轮廓中提取尖端半径。所获得的结果与尖端供应商的规格良好一致，即使实验已经使用具有分散的尺寸和纵横比的纳米颗粒的真实分布进行。这证明了我们的方法的可靠性，并打开了一个更准确的尖端重建使用纳米光刻图案的大门。
英文摘要：
In this work, the tip convolution effect in atomic force microscopy is revisited to illustrate the capabilities of cubic objects for determination of the tip shape and size. Using molecular-based cubic nanoparticles as a reference, a two-step tip reconstruction process has been developed. First, the tip-to-face angle is estimated by means of an analysis of the convolution error while the tip radius is extracted from the experimental profiles. The results obtained are in good agreement with specification of the tip supplier even though the experiments have been conducted using real distribution of nanoparticles with dispersion in size and aspect ratio. This demonstrates the reliability of our method and opens the door for a more accurate tip reconstruction by using nano-lithography patterns.
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