Difference between SEM and TEM.

Scanning Electron Microscopy (SEM) and Transmission Electron Microscopy (TEM) are both powerful imaging techniques used in nanotechnology, particularly in energy and environmental applications, but they differ significantly in their operational principles, imaging capabilities, and applications.

The primary difference between SEM and TEM lies in how they interact with the sample. SEM utilizes a focused beam of electrons that scans the surface of ____ __________ _________ ________ __________ ___ ___ __________ ________ _________ __________ ________.
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