Difference between SEM and TEM.

Question

17 Feb 2024

Answer :

Word Count : 320

Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) are both powerful techniques used in nanotechnology for imaging and analyzing materials at the nanoscale level. While they both utilize electron beams to generate images, they differ significantly in their principles of operation, imaging capabilities, and applications.

1. Principle of Operation:
- SEM: In SEM, a focused beam of electrons scans the surface of a sample. When the electrons interact with the atoms at the surface, various signals such __________ _____ ____ __________ _______ _________ _________ ________ ___ ________.
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