Electrochemistry for Corrosion Fundamentals by Toshiaki Ohtsuka Atsushi Nishikata Masatoshi Sakairi & Koji Fushimi

Author:Toshiaki Ohtsuka, Atsushi Nishikata, Masatoshi Sakairi & Koji Fushimi
Language: eng
Format: epub
Publisher: Springer Singapore, Singapore

3.5.2 Auger Electron Spectroscopy (AES)

AES is also one of the techniques in which the composition of the surface region of solid specimen can be identified. The electron beam incident excites electrons in the specimen, and electrons are emitted to vacuum according to the following Auger transition.(1)The electron beam incident excites an electron in the inner orbital to form a vacant site.

(2)Another electron is transferred from the outer orbital to the vacant site in the inner orbital.

(3)The energy release accompanying the above transfer induces emission of an electron from the specimen to vacuum.

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