Field electron emission, also known as field-induced electron emission, field emission (FE) and electron field emission, is the emission of electrons...
124 KB (15,721 words) - 17:55, 24 May 2025
temperature Schottky emission, due to the: Schottky effect or field enhanced thermionic emission Field electron emission, emission of electrons induced by an...
2 KB (191 words) - 04:17, 13 March 2024
literature, are now known to be ions or electrons. Thermal electron emission specifically refers to emission of electrons and occurs when thermal energy overcomes...
33 KB (3,572 words) - 18:53, 22 May 2025
A field emission gun (FEG) is a type of electron gun in which a sharply pointed Müller-type[clarification needed] emitter: 87–128 is held at several kilovolts...
3 KB (250 words) - 20:28, 17 March 2024
A field-emission display (FED) is a flat panel display technology that uses large-area field electron emission sources to provide electrons that strike...
20 KB (2,560 words) - 22:20, 3 November 2024
mechanics to solid-state problems, such as thermionic emission, work function of metals, field electron emission, rectification in metal-semiconductor contacts...
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as electron microscopes and particle accelerators. Electron guns may be classified by the type of electric field generation (DC or RF), by emission mechanism...
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erases. EEPROM can be programmed and erased electrically using field electron emission (more commonly known in the industry as "Fowler–Nordheim tunneling")...
29 KB (2,952 words) - 02:09, 19 February 2025
Electric current (redirect from Electron current)
conductive by injecting free electrons or ions through either field electron emission or thermionic emission. Thermionic emission occurs when the thermal energy...
36 KB (4,349 words) - 07:39, 22 May 2025
Vol. 9033. SPIE. p. S-1. doi:10.1117/12.2043187. Field emission display Field electron emission Vacuum tubes using field electron emitters Cold cathode...
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Hot cathode (redirect from Emissive layer)
significantly more electrons from the same surface area. Cold cathodes rely on field electron emission or secondary electron emission from positive ion...
21 KB (2,570 words) - 17:28, 25 March 2025
Schottky effect (redirect from Field enhanced thermionic emission)
effect or field enhanced thermionic emission is a phenomenon in condensed matter physics named after Walter H. Schottky. In electron emission devices,...
5 KB (624 words) - 23:52, 17 March 2025
the surface). Field-emission microscopy (FEM) was invented by Erwin Müller in 1936. In FEM, the phenomenon of field electron emission was used to obtain...
7 KB (741 words) - 00:18, 27 May 2025
field emission gun. The gun is connected to a high voltage source (typically ~100–300 kV) and emits electrons either by thermionic or field electron emission...
118 KB (15,039 words) - 04:49, 18 May 2025
the physical phenomenon now known as field electron emission, and helped to establish the validity of modern electron band theory. In 1931, he was the first...
12 KB (1,139 words) - 03:41, 26 May 2025
the thermoelectric effect; thermal electron emission and field electron emission from bulk metals. The free electron model solved many of the inconsistencies...
24 KB (3,426 words) - 17:10, 29 March 2025
heated by a filament. They may emit electrons by field electron emission, and in gas-filled tubes by secondary emission. Some examples are electrodes in...
24 KB (2,913 words) - 02:02, 6 June 2025
electron emission from the sample induced by photon absorption (photoemission), by high temperature (thermionic emission), due to an electric field (field...
31 KB (3,661 words) - 10:21, 10 February 2025
Tunnel injection is a field electron emission effect; specifically a quantum process called Fowler–Nordheim tunneling, whereby charge carriers are injected...
1 KB (150 words) - 21:24, 6 November 2024
need to use field electron emission sources, such as heated W/ZrO2 for lower energy spread and enhanced brightness. Thermal field emission sources are...
38 KB (4,736 words) - 02:29, 26 May 2025
begin to emit electrons either through heating (thermionic emission) or in an electric field that is sufficient to cause field electron emission. Once initiated...
3 KB (328 words) - 07:29, 17 November 2024
four emission mechanisms are thermal bremsstrahlung (braking) emission, gyromagnetic emission, plasma emission, and electron-cyclotron maser emission. The...
77 KB (9,217 words) - 15:30, 22 May 2025
Stimulated emission is the process by which an incoming photon of a specific frequency can interact with an excited atomic electron (or other excited molecular...
21 KB (3,250 words) - 02:49, 25 May 2025
limited cases. In field electron emission, electrons tunnel through a potential barrier, rather than escaping over it as in thermionic emission or photoemission...
69 KB (9,669 words) - 14:02, 26 May 2025
material, induce the emission of secondary particles. The term often refers to the emission of electrons when charged particles like electrons or ions in a vacuum...
6 KB (592 words) - 16:26, 25 October 2024
electron emission can be heat (thermionic emission), light (photoelectron emission), ions, or neutral particles, but normally excludes field emission...
20 KB (2,699 words) - 01:24, 26 May 2025
physicist who played a major early role in developing the theory of electron and ion emission phenomena, invented the screen-grid vacuum tube in 1915 while...
15 KB (1,579 words) - 00:00, 26 May 2025
of field electron emission as a separate physical effect. (He called it "auto-electronic emission", and was interested in it as a possible electron source...
11 KB (1,133 words) - 23:29, 23 May 2025
electronics, field electron emission, thermionics, photoelectrics and low pressure equipment. The Nottingham effect in field electron emission is named after...
5 KB (456 words) - 08:41, 16 November 2024
also used for sintering of carbon nanotubes for development of field electron emission electrodes. Functioning of SPS systems is schematically explained...
9 KB (1,043 words) - 23:53, 1 June 2025