| 单词 | Microscopies,Scanning Tunnelling |
| 释义 | Microscopies,Scanning Tunnelling《英文msh词典》Microscopies,Scanning Tunnelling [入口词] Microscopies,Scanning Tunnelling [主题词] Microscopy,Scanning Tunneling [英文释义] 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. |
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