A simple method for AFM tip characterization by polystyrene spheres

被引：28
作者：
Zeng, Zhi-gang [1 ]
Zhu, Guo-dong [1 ]
Guo, Zhang [2 ]
Zhang, Li [1 ]
Yan, Xue-jian [1 ]
Du, Qiang-guo [2 ]
Liu, Ran [3 ]
机构：
[1] Fudan Univ, Dept Mat Sci, Shanghai 200433, Peoples R China
[2] Fudan Univ, Dept Macromol Sci, Shanghai 200433, Peoples R China
[3] Fudan Univ, Sch Microelect, Shanghai 200433, Peoples R China
来源：
ULTRAMICROSCOPY | 2008年 / 108卷 / 09期
关键词：
AFM; tip characterization; polystyrene spheres;
D O I：
10.1016/j.ultramic.2008.04.001
中图分类号：
TH742 [显微镜];
学科分类号：
摘要：
An AFM image would not be the true topography of a surface because of the limitation of a finite size of the tip. The true topography of the surface can be deduced if we can know the tip shape. In this paper a simple method has been established to determine the profile of an AFM tip. A geometrical model for the tip and a spherical object has been proposed to show the procedure for deducing the tip shape from AFM images. Isolated spheres and closely packed spheres with different diameters have been observed to confirm the tip shape by this method. It is a non-destructive method to determine the tip shape and the results can be used for future reconstruction of an AFM image. (c) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码：975 / 980
页数：6
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