Microscopy, Scanning Tunneling
Scanning Tunnelling Microscopy; Microscopies, Scanning Tunneling; Microscopies, Scanning Tunnelling; Microscopy, Scanning Tunnelling; Scanning Tunneling Microscopies; Scanning Tunnelling Microscopies; Tunneling Microscopies, Scanning
A type of scanning probe microscopy in which a very sharp conducting needle is swept just a few angstroms above the surface of a sample. The tiny tunneling current that flows between the sample and the needle tip is measured, and from this are produced three-dimensional topographs. Due to the poor electron conductivity of most biological samples, thin metal coatings are deposited on the sample.