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scanning tunneling microscope

Syllabification: scan·ning tun·nel·ing mi·cro·scope
(abbreviation: STM)

Definition of scanning tunneling microscope in English:

noun

A high-resolution microscope using neither light nor an electron beam, but with an ultrafine tip able to reveal atomic and molecular details of surfaces.
Example sentences
  • In rapid succession the field ion microscope and the scanning tunnelling microscope soon joined these microscopes.
  • In a scanning tunnelling microscope, a sharp metallic tip is brought within a nanometre or two of the surface of the sample.
  • Researchers have long been able to pick up and drop individual atoms using the tips of scanning tunnelling microscopes.

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