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Atomic Force Microscope Model

par chemteacher628

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A basic model of how an atomic force microscope or scanning-tunneling microscope works to "see" atoms and molecules. Slide the scaffold piece of the frame and the tip will rise and fall to feel out the surface. You can modify the surface with different features such as steps or islands. It simplifies how AFM and STM work but gets the basic idea across of how to map out a surface which is too small to see with visible light.

Eventually I would like to cover the surface so my students could map out what the surface looks like my measuring the change in height of the tip as they "scan" the surface, as well as make other surface structures that could be mapped out.

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