- field emission
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the emission of electrons from a metal or semiconductor, under the influence of a strong electric field, by quantum tunneling
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field emission
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Field emission — (FE) is the emission of electrons from the surface of a condensed phase into another phase due to the presence of high electric fields. In this phenomenon, electrons with energies below the Fermi level tunnel through the potential barrier at the… … Wikipedia
field emission — Physics. the removal of electrons from a metallic conductor by a strong electric field. [1925 30] * * * ▪ physics also called Cold Emission, discharge of electrons from the surface of a material subjected to a strong electric field. In… … Universalium
field emission — autoelektroninė emisija statusas T sritis chemija apibrėžtis Elektronų išspinduliavimas iš stipraus elektrinio lauko veikiamo kietojo kūno paviršiaus. atitikmenys: angl. autoelectronic emission; cold emission; field emission rus. автоэлектронная… … Chemijos terminų aiškinamasis žodynas
Field emission microscopy — (FEM) is an analytical technique used in materials science to investigate molecular surface structures and their electronic properties. [cite web | title = Intro to Field Emission | publisher = Field Emission / Ion Microscopy Laboratory, Purdue… … Wikipedia
Field Emission Display — (FED) désigne une technique d affichage destinée aux écrans plats. Cette technique a été principalement développée par Sony jusqu en 2009 puis abandonnée au profit des OLED. Les brevets sont détenus depuis janvier 2010 par AU Optronics qui espère … Wikipédia en Français
Field emission display — Saltar a navegación, búsqueda FED (Field Emission Display) es un tipo de pantalla plana que utiliza capas de fósforo. Contenido 1 Introducción 2 Funcionamiento 3 Ventajas e … Wikipedia Español
Field Emission Electric Propulsion — (FEEP) is an advanced electrostatic propulsion concept, a form of ion thruster, that uses liquid metal (usually either caesium or indium) as a propellant. A FEEP device consists of an emitter and an accelerator electrode. A potential difference… … Wikipedia
Field emission display — A field emission display (FED) is a display technology that incorporates flat panel display technology that uses large area field electron emission sources to provide electrons that strike colored phosphor to produce a color image as a electronic … Wikipedia
Field emission gun — A field emission gun is a type of electron gun in which the emitter tip is held at several kilovolts negative potential relative to a nearby electrode, so that there is sufficient potential gradient at its surface to cause field emission of… … Wikipedia
field emission display — noun a flat panel display technology that uses large area field electron sources to provide electrons that strike coloured phosphors to produce a colour image. In a general sense, an FED consists of a matrix of cathode ray tubes, each tube… … Wiktionary
field-emission microscope — noun electron microscope used to observe the surface structure of a solid • Hypernyms: ↑electron microscope * * * /feeld i mish euhn/ a device in which electrons liberated by field emission are accelerated toward a fluorescent screen to form a… … Useful english dictionary
