论文标题

动态AFM的进步:从纳米级能量耗散到纳米级的材料特性

Advances in dynamic AFM: from nanoscale energy dissipation to material properties in the nanoscale

论文作者

Santos, Sergio, Gadelrab, Karim, Lai, Chia-Yun, Olukan, Tuza, Font, Josep, Barcons, Victor, Verdaguer, Albert, Chiesa, Matteo

论文摘要

自从原子力显微镜AFM启动以来,通过建立量化纳米级耗散性和保守力的方法,并提供了一种将温和的力施加到高分辨率的样品中,动态方法一直是非常富有成果的。在这里,我们回顾了涵盖我们十年来有关耗能,相比对比和相关材料特性从可观察物中提取的发展的发展。我们描述了从力模型中通过一维振幅和相位曲线恢复材料特性的尝试,并探讨了这些方法在力重建,实验测量的拟合以及多频AFM的最新进展方面的演变。

Since the inception of the atomic force microscope AFM, dynamic methods have been very fruitful by establishing methods to quantify dissipative and conservative forces in the nanoscale and by providing a means to apply gentle forces to the samples with high resolution. Here we review developments that cover over a decade of our work on energy dissipation, phase contrast and the extraction of relevant material properties from observables. We describe the attempts to recover material properties via one dimensional amplitude and phase curves from force models and explore the evolution of these methods in terms of force reconstruction, fits of experimental measurements, and the more recent advances in multifrequency AFM.

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