field emission

field emission
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 — (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 — noun the emission of electrons that are stripped from parent atoms by a high electric field • Hypernyms: ↑emission …   Useful english dictionary

  • field emission — /ˈfild əmɪʃən/ (say feeld uhmishuhn) noun the emission of electrons from an unheated conductor subjected to a high electric field …   Australian English dictionary

  • 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

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