Principle of the Auger effect
Auger spectroscopy - Principles and performances in fixed probe
Article REF: P2620 V3
Principle of the Auger effect
Auger spectroscopy - Principles and performances in fixed probe

Author : Jacques CAZAUX

Publication date: June 10, 2007 | Lire en français

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1. Principle of the Auger effect

1.1 Mechanism

The mechanism of the Auger effect concerns all bodies, whatever their state - solid, liquid or gaseous (except H and He), and can be caused by any type of incident particle - ion, electron, positron or X-ray photon - as long as the energy of the particle is sufficient to tear off an atomic electron.

Historical overview

In the years 1923-1925, Pierre Auger (1899-1993) discovered the effect that bears his name, using the experimental device shown in figure 1 , which enabled him to obtain numerous photographic images such as the one shown in figure...

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