About: Saturation velocity

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Saturation velocity is the maximum velocity a charge carrier in a semiconductor, generally an electron, attains in the presence of very high electric fields. When this happens, the semiconductor is said to be in a state of velocity saturation. Charge carriers normally move at an average drift speed proportional to the electric field strength they experience temporally. The proportionality constant is known as mobility of the carrier, which is a material property. A good conductor would have a high mobility value for its charge carrier, which means higher velocity, and consequently higher current values for a given electric field strength. There is a limit though to this process and at some high field value, a charge carrier can not move any faster, having reached its saturation velocity,

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rdfs:label	Velocitat de saturació (ca) Saturation velocity (en)
rdfs:comment	Saturation velocity is the maximum velocity a charge carrier in a semiconductor, generally an electron, attains in the presence of very high electric fields. When this happens, the semiconductor is said to be in a state of velocity saturation. Charge carriers normally move at an average drift speed proportional to the electric field strength they experience temporally. The proportionality constant is known as mobility of the carrier, which is a material property. A good conductor would have a high mobility value for its charge carrier, which means higher velocity, and consequently higher current values for a given electric field strength. There is a limit though to this process and at some high field value, a charge carrier can not move any faster, having reached its saturation velocity, (en)
dcterms:subject	Transistors Charge carriers Physical quantities Semiconductors
Wikipage page ID	25225297 (xsd:integer)
Wikipage revision ID	995409113 (xsd:integer)
Link from a Wikipage to another Wikipage	Carbon Electrical conductor Electrical mobility Charge carrier Nanotechnology Conduction band Ohm's law Electric field Electron Hot electron Transferred electron device Ballistic transport Transistors Transistors Charge carriers Carbon nanotube Graphene Physical quantities Semiconductors Phonons Photon Field-effect transistor Field strength Energy band Integrated circuits Microprocessor Mean free path Semiconductor Semiconductor device Silicon InP Gunn diode Velocity overshoot Drift speed GaAs Field effect transistors SiC Crystal defect Current limiter
sameAs	Saturation velocity Saturation velocity Saturation velocity Saturation velocity Saturation velocity Saturation velocity
dbp:wikiPageUsesTemplate	dbt:Reflist
has abstract	Saturation velocity is the maximum velocity a charge carrier in a semiconductor, generally an electron, attains in the presence of very high electric fields. When this happens, the semiconductor is said to be in a state of velocity saturation. Charge carriers normally move at an average drift speed proportional to the electric field strength they experience temporally. The proportionality constant is known as mobility of the carrier, which is a material property. A good conductor would have a high mobility value for its charge carrier, which means higher velocity, and consequently higher current values for a given electric field strength. There is a limit though to this process and at some high field value, a charge carrier can not move any faster, having reached its saturation velocity, due to mechanisms that eventually limit the movement of the carriers in the material. As the applied electric field increases from that point, the carrier velocity no longer increases because the carriers lose energy through increased levels of interaction with the lattice, by emitting phonons and even photons as soon as the carrier energy is large enough to do so. (en)
gold:hypernym	Velocity
prov:wasDerivedFrom	wikipedia-en:Saturation_velocity?oldid=995409113&ns=0
page length (characters) of wiki page	5700 (xsd:nonNegativeInteger)
foaf:isPrimaryTopicOf	wikipedia-en:Saturation_velocity
is Link from a Wikipage to another Wikipage of	Carver Mead Velocity saturation Gallium arsenide Gallium nitride Wide-bandgap semiconductor Johnson's figure of merit Saturation Polymorphs of silicon carbide
is Wikipage redirect of	Velocity saturation
is Wikipage disambiguates of	Saturation
is foaf:primaryTopic of	wikipedia-en:Saturation_velocity

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