schottky effect

schottky effect
n. Electronics the increase in thermionic emission from a solid surface due to the presence of an external electric field.
Etymology: W. Schottky, Ger. physicist d. 1976

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noun
Usage: usually capitalized S
: the increase of the thermionic current in a vacuum tube with the increase of the applied potential between the cathode and anode due to a lowering of the energy required to remove electrons from the cathode

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Schottky effect /shotˈki i-fektˈ/ (electronics)
noun
The removal of electrons from the surface of a semiconductor when a localized field is present
ORIGIN: Ety as for ↑Schottky defect

Useful english dictionary. 2012.

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  • Schottky effect — ▪ physics       increase in the discharge of electrons from the surface of a heated material by application of an electric field that reduces the value of the energy required for electron emission. The minimum energy required for an electron to… …   Universalium

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  • Schottky barrier — A Schottky barrier is a potential barrier formed at a metal semiconductor junction which has rectifying characteristics, suitable for use as a diode. The largest differences between a Schottky barrier and a p n junction are its typically lower… …   Wikipedia

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