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field emission
noun
the removal of electrons from a metallic conductor by a strong electric field.
field emission
noun
the emission of electrons from a solid or liquid subjected to a high electric field
field emission
The emission of electrons from the surface of a conductor, caused by a strong electric field. Field emission is used to create electron beams in certain electron microscopes, as well as in flat-panel computer and television displays, in which the electron beams produce light by striking a phosphor-coated screen.
51Թ History and Origins
Origin of field emission1
Example Sentences
He persuaded a U.K. company, York Probe Sources, to build a cheap field emission gun.
The university says in a news release the field emission scanning electron microscope is primarily for research, but instructors also will use it in teaching laboratories.
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