AFM 模式

力调制显微镜（FMM）

获取弹性和粘附力数据的简便途径

力调制显微镜™（FMM）可揭示有关样品的力学性能（如弹性或粘附力）的信息。此方法适用于力学性能不均匀的材料，如聚合物共混物和金属合金。

FMM使用接触模式检测方案来监测样品形貌的变化，同时对悬臂梁施加高频信号。样品刚度、粘附力或摩擦力的变化会影响悬臂梁的振荡，并提供定性的纳米力学数据。

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低温切片的多层聚乙烯样品的形貌图（左）和力调制振幅图（右）。力调制幅度图显示了交替变化的材料刚度层（扫描尺寸为40μm）。

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