TERMIUM Plus®

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

MICROSCOPIO EMISION TERMOIONICA [1 record]

Record 1 2014-04-30

English

Subject field(s)
  • Scientific Instruments
  • Atomic Physics
CONT

... the thermionic projection microscope [is] used for measuring the work functions of separate crystal planes. Electrons emitted from the planes are collected on a phosphor screen, and a video camera is used to produce a digitized image of the intensity pattern. Numerical calculations yield the work function associated with each plane.

French

Domaine(s)
  • Instruments scientifiques
  • Physique atomique
PHR

Microscope à émission thermoionique à haute température.

Spanish

Campo(s) temático(s)
  • Instrumentos científicos
  • Física atómica
CONT

[...] puede darse el caso de que la superficie en estudio tenga algún contaminante que opaque la emisión de electrones. Este efecto de emisión termoiónica ha sido usado para desarrollar el microscopio de emisión termoiónica, en el que el contraste es generado por la diferencia en función trabajo de un punto a otro de la muestra.

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