thermionic field emission

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• thermionic-field emission — termoelektroninė lauko emisija statusas T sritis radioelektronika atitikmenys: angl. thermionic field emission vok. thermische Feldemission, f rus. термоавтоэлектронная эмиссия, f pranc. émission thermo électronique par effet de champ, f …   Radioelektronikos terminų žodynas

• 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 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 — 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

• Thermionic emission — Closeup of the filament on a low pressure mercury gas discharge lamp showing white thermionic emission mix coating on the central portion of the coil. Typically made of a mixture of barium, strontium and calcium oxides, the coating is sputtered… …   Wikipedia

• émission thermo-électronique par effet de champ — termoelektroninė lauko emisija statusas T sritis radioelektronika atitikmenys: angl. thermionic field emission vok. thermische Feldemission, f rus. термоавтоэлектронная эмиссия, f pranc. émission thermo électronique par effet de champ, f …   Radioelektronikos terminų žodynas

• thermionic emission — n. the phenomenon of electron or ion emission from the heated surface of a conductor * * * ▪ physics       discharge of electrons from heated materials, widely used as a source of electrons in conventional electron tubes (e.g., television picture …   Universalium

• Field electron emission — It is requested that a diagram or diagrams be included in this article to improve its quality. For more information, refer to discussion on this page and/or the listing at Wikipedia:Requested images. Field emission (FE) (also known as field… …   Wikipedia

• electron emission — Synonyms and related words: Becquerel ray, Grenz ray, Roentgen ray, X radiation, X ray, actinic ray, alpha radiation, alpha ray, anode ray, beta radiation, beta ray, canal ray, cathode glow, cathode ray, collision emission, cosmic radiation,… …   Moby Thesaurus

• Thermoïonique — Vue rapprochée d une lampe au mercure à basse pression montrant une émission lumineuse autour de la partie centrale du filament. Cette émission lumineuse est provoquée par une émission thermoïonique. La couche blanche du filament est… …   Wikipédia en Français

• termoelektroninė lauko emisija — statusas T sritis radioelektronika atitikmenys: angl. thermionic field emission vok. thermische Feldemission, f rus. термоавтоэлектронная эмиссия, f pranc. émission thermo électronique par effet de champ, f …   Radioelektronikos terminų žodynas