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Auger effect

(mechanism by which ions emit an electron after receiving one)

The Auger effect is a phenomenon which can occur when an ion receives an electron and instead of emitting a photon to carry away energy, emits one of the atom's electrons. This effect occurs much less frequently than the emission of a photon.

The term Auger de-excitation refers to the reception of an electron in a low orbit resulting in the release of an electron in a higher orbit, resulting in less atomic excitation.


(atoms,EMR,physics)
http://en.wikipedia.org/wiki/Auger_effect

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