impact-ionization rate

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• Avalanche photodiode — Avalanche photodiodes (APDs) are photodetectors that can be regarded as the semiconductor analog to photomultipliers. By applying a high reverse bias voltage (typically 100 200 V in silicon), APDs show an internal current gain effect (around 100) …   Wikipedia

• radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …   Universalium

• Cosmic ray — For the film, see Cosmic Ray (film). Cosmic radiation redirects here. For some background types of cosmic radiation, see cosmic background radiation and cosmic background. The energy spectrum for cosmic rays Cosmic rays are energetic charged… …   Wikipedia

• Avalanche transistor — An Avalanche Transistor is a bipolar junction transistor designed for operation in the region of its collector current/collector to emitter voltage characteristics beyond the collector to emitter breakdown voltage, called avalanche breakdown… …   Wikipedia

• IMPATT diode — An IMPATT diode (IMPact ionization Avalanche Transit Time) is a form of high power diode used in high frequency electronics and microwave devices. They are typically made with silicon carbide owing to their high breakdown fields.They operate at… …   Wikipedia

• Proton transfer reaction - mass spectrometry — (PTR MS) is a very sensitive technique for online monitoring of volatile organic compounds (VOCs) in ambient air developed by scientists at the Institut für Ionenphysik at the Leopold Franzens University in Innsbruck, Austria [A. Hansel, A.… …   Wikipedia

• Single-Photon Avalanche Diode — In optoelectronics the term Single Photon Avalanche Diode (SPAD)(also know as a Geiger mode APD or G APD) identifies a class of solid state photodetectors based on a reverse biased p n junction in which a photo generated carrier can trigger an… …   Wikipedia

• Auger effect — The Auger effect (pronEng|ˈɔːʒɚ, or Oh jeh) is a phenomenon in physics in which the emission of an electron from an atom causes the emission of a second electron. [GoldBookRef|title=Auger effect|url=http://goldbook.iupac.org/A00520.html] When an… …   Wikipedia

• Electron avalanche — An electron avalanche is a process in which a number of free electrons in a medium (usually a gas) are subjected to strong acceleration by an electric field, ionizing the medium s atoms by collision (called impact ionization), thereby forming new …   Wikipedia

• Ghostbusters (franchise) — Logo used by the Ghostbusters in the film Ghostbusters is a supernatural comedy multi media franchise created in 1984. Its inception was for the movie Ghostbusters, released on June 8, 1984 by Columbia Pictures. It centered around a group of… …   Wikipedia

• Charge-coupled device — A specially developed CCD used for ultraviolet imaging in a wire bonded package. A charge coupled device (CCD) is a device for the movement of electrical charge, usually from within the device to an area where the charge can be manipulated, for… …   Wikipedia