How It Works • Invented in 1986 • Cantilever • Tip • Surface • Laser • Multi-segment photodetector Figure 4. Three common types of AFM tip. (a) normal tip (3 ...
Filetype Power Point PPT | Posted on 09 Sep 2022 | 2 years ago
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...How it works invented in cantilever tip surface laser multi segment photodetector figure three common types of afm a normal m tall b supertip c ultralever also electron micrographs by jean paul revel caltech tips from park scientific instruments made http stm nrl navy mil html imaging modes www molec com what is topography contact mode high resolution damage to sample can measure frictional forces non lower no tapping better x nm simultaneous topographic and friction image highly oriented pyrolytic graphic hopg the bumps represent atomic corrugation while coloring reflects lateral minimal on scan direction was right left approach not yet with attractive maybe repulsive definitely due gives information about elasticity or stiffness retraction again during phase chemical electrostatic break characteristic jump force curve...