Which microscope uses a probe to map atoms on the surface of a specimen? transmission electron microscope compound light microscope scanning electron microscope scanning tunneling microscope

Question

Ethen Clay

Biology

13 October, 17:19

Which microscope uses a probe to map atoms on the surface of a specimen? transmission electron microscope compound light microscope scanning electron microscope scanning tunneling microscope

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Brenton Mitchell · Answer 1

The answer is a scanning tunneling microscope.

The scanning tunneling microscope that uses a probe to map atoms on the sur face of a specimen. It has a good resolution (0.1 nm in lateral resolution, and 0.01 nm in depth resolution). It was named tunneling because, after a voltage is applied, electrons tunnel through the vacuum in between.