CBSE - X - Physics
What is STM & AFM?
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Scanning tunneling microscopy (STM) is a powerful technique for viewing surfaces at the atomic level.
The atomic force microscope (AFM) or scanning force microscope (SFM) is a very high-resolution type of scanning probe microscopy, with demonstrated resolution of fractions of a nanometer, more than 1000 times better than the optical diffraction limit.
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