Introduction of Cross Section of Scatterings
- Practical Electron Microscopy and Database -
- An Online Book -

http://www.globalsino.com/EM/  



 

This book (Practical Electron Microscopy and Database) is a reference for TEM and SEM students, operators, engineers, technicians, managers, and researchers.

 

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Cross section of scattering measures the probability that an event occurs, given by,

             Cross section of scattering --------------------------------------------- [4477]

where N -- Events per volume (sites/cm3)
           ni -- Number incident particles per unit area (particles/cm2)
           nt -- Number target sites per volume (sites/cm3)

Q has units of cm2 and is considered as an effective ‘size’ which the atom presents as a target to incident particles.

 

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