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Toward quantitative estimation of material properties with dynamic mode atomic force microscopy: a comparative study

机译：具有动态模式原子力显微镜的材料特性的定量估计：比较研究

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In this article, we explore methods that enable estimation of material properties with the dynamic mode atomic force microscopy suitable for soft matter investigation. The article presents the viewpoint of casting the system, comprising of a flexure probe interacting with the sample, as an equivalent cantilever system and compares a steady-state analysis based method with a recursive estimation technique for determining the parameters of the equivalent cantilever system in real time. The steady-state analysis of the equivalent cantilever model, which has been implicitly assumed in studies on material property determination, is validated analytically and experimentally. We show that the steady-state based technique yields results that quantitatively agree with the recursive method in the domain of its validity. The steady-state technique is considerably simpler to implement, however, slower compared to the recursive technique. The parameters of the equivalent system are utilized to interpret storage and dissipative properties of the sample. Finally, the article identifies key pitfalls that need to be avoided toward the quantitative estimation of material properties.
机译：在本文中，我们探讨了能够利用适合软物质调查的动态模式原子力显微镜估计材料特性的方法。该物品介绍了系统铸造的观点，包括与样品相互作用的挠曲探针，作为等效悬臂系统，并比较了基于稳态分析的方法具有递归估计技术，用于确定实际等效悬臂系统的参数。时间。在分析和实验中验证了对材料性能测定研究的等效悬臂模型的稳态分析。我们表明基于稳态的技术会产生定量地同意其有效性领域的递归方法的结果。与递归技术相比，稳态技术更加简单，更慢。使用等效系统的参数用于解释样品的储存和耗散特性。最后，本文识别需要避免朝向材料特性的定量估计的关键缺陷。

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