Scanning probe microscopy
Scanning probe microscopy
Scanning probe microscopy
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SPM• <strong>Scanning</strong> <strong>probe</strong> <strong>microscopy</strong>covers several relatedtechnologies for imaging andmeasuring surfaces on a finescale, down to the level ofmolecules and groups of atoms.• SPM technologies share theconcept of scanning anextremely sharp tip (3-50 nmradius of curvature) across theobject surface. The tip ismounted on a flexible cantilever,allowing the tip to follow thesurface profile (see Figure).3
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