Auger effect

[ oh-zheyi-fekt ]
/ oʊˈʒeɪ ɪˌfɛkt /

noun Physics.

a nonradiative process in which an atom in an excited state undergoes a transition to a lower state by the emission of a bound electron (Auger electron ) rather than by the emission of an x-ray.

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Also called autoionization.

Origin of Auger effect

First recorded 1930–35; named after Pierre V. Auger (1899–1993), French physicist

Words nearby Auger effect

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for Auger effect

Auger effect
/ (ˈaʊɡə) /

noun

the spontaneous emission of an electron instead of a photon by an excited ion as a result of a vacancy being filled in an inner electron shell

Word Origin for Auger effect

C20: named after Pierre Auger (1899–1993), French physicist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012