Secondary Electron Emission by Ion Irradiation
- Practical Electron Microscopy and Database -
- An Online Book -

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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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Due to ion irradiation, secondary electrons (SEs) can be emitted from materials surfaces. The energy distribution dδ/dE and the yield δ of SEs emitted via the kinetic process from metal surfaces by low-energy ion irradiation. The emission process are consisted of three steps:
        i) The excitation of a degenerate electron gas by incident ions.
        ii) The propagation of excited SEs to the surface.
        iii) Their escape from the surface potential.

Figure 4796 shows that the possible ion beam - matter interactions induce particle sputtering from a solid surface, resulting in the generation of SEs.

possible ion beam - matter interactions induce particle sputtering from a solid surface

Figure 4796. The possible ion beam - matter interactions induce particle sputtering from a solid surface.

 

 

 

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