TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

EXOELECTRON [2 records]

Record 1 2009-09-04

English

Subject field(s)
  • Atomic Physics
DEF

An electron emitted from surface atoms under conditions associated with such factors as heat, wear, cracks and friction.

French

Domaine(s)
  • Physique atomique
DEF

Électron émis par les atomes de la surface d'un métal par suite de modifications de la structure de cette surface (usure, fissures et généralement, fatigue).

Spanish

Save record 1

Record 2 1979-05-07

English

Subject field(s)
  • Surface Treatment of Metals
CONT

So far every expert on exoelectron phenomena seems to have his own theory about the exact combination of conditions needed for exoelectron emission.

OBS

exoelectron: One, emitted from the surface of a metal or semiconductor, which comes from a metastable trap with very low binding energy under conditions such that electrons in their ground state could not be emitted.

French

Domaine(s)
  • Traitements de surface des métaux
CONT

La carte exoélectronique d'un échantillon d'aluminium. La surface de l'échantillon est balayée par un faisceau de photons ultraviolets, qui transmettent leur énergie (...) aux électrons du métal et provoquent leur émission. (...) On envoie le faisceau amplifié sur les plaques verticales d'un oscillographe. Si l'on synchronise le balayage du spot ultraviolet et la tension de l'oscilloscope, on obtient sur l'écran la carte exoélectronique de l'échantillon.

Spanish

Save record 2

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