基于AFM图像的物体真实地形特性反卷积的定量方法:第1部分。接触尖端-样品变形
Quantitative methods for deconvolution of true topographical properties of object on the basis of AFM-images: Part 1. Contact tip-sample deformations
摘要:
我们假设使用AFM测量的样品高度由于接触变形而降低。采用Herz接触理论进行定量描述。得到了一般的数值解,并对圆柱形试样的接触几何形状给出了解析近似。结果表明,理论描述与实验数据是一致的。所开发的方法已经允许确定吸附在固体基底的表面上的单个微物体的弹性参数。
英文摘要:
We assume that the sample height measured using AFM is reduced due to contact deformation. The Herz contact theory is applied for the quantitative description. General numerical solution is found. Analytical approximations for specific contact geometry are derived for the case of cylindrical sample. It is found that theoretical description are consistent with experimental data. The developed approach has allowed to determine elastic parameters of individual microobjects adsorbed on a surface of solid substrate.
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