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- Electron_mobility abstract "In solid-state physics, the electron mobility characterizes how quickly an electron can move through a metal or semiconductor, when pulled by an electric field. In semiconductors, there is an analogous quantity for holes, called hole mobility. The term carrier mobility refers in general to both electron and hole mobility in semiconductors.Electron and hole mobility are special cases of electrical mobility of charged particles in a fluid under an applied electric field.When an electric field E is applied across a piece of material, the electrons respond by moving with an average velocity called the drift velocity, . Then the electron mobility μ is defined as.Electron mobility is almost always specified in units of cm2/(V·s). This is different from the SI unit of mobility, m2/(V·s). They are related by 1m2/(V·s) = 104cm2/(V·s).Conductivity is proportional to the product of mobility and carrier concentration. For example, the same conductivity could come from a small number of electrons with high mobility for each, or a large number of electrons with a small mobility for each. For metals, it would not typically matter which of these is the case, since most metal electrical behavior depends on conductivity alone. Therefore mobility is relatively unimportant in metal physics. On the other hand, for semiconductors, the behavior of transistors and other devices can be very different depending on whether there are many electrons with low mobility or few electrons with high mobility. Therefore mobility is a very important parameter for semiconductor materials. Almost always, higher mobility leads to better device performance, with other things equal.Semiconductor mobility depends on the impurity concentrations (including donor and acceptor concentrations), defect concentration, temperature, and electron and hole concentrations. It also depends on the electric field, particularly at high fields when velocity saturation occurs. It can be determined by the Hall effect, or inferred from transistor behavior.".
- Electron_mobility wikiPageExternalLink 6151.
- Electron_mobility wikiPageExternalLink default.asp?searchterm=electron+mobility.
- Electron_mobility wikiPageExternalLink ResistivityCal.phtml.
- Electron_mobility wikiPageID "760994".
- Electron_mobility wikiPageRevisionID "602502429".
- Electron_mobility hasPhotoCollection Electron_mobility.
- Electron_mobility subject Category:Condensed_matter_physics.
- Electron_mobility subject Category:Electric_and_magnetic_fields_in_matter.
- Electron_mobility subject Category:Materials_science.
- Electron_mobility subject Category:Physical_quantities.
- Electron_mobility subject Category:Semiconductors.
- Electron_mobility type Abstraction100002137.
- Electron_mobility type Conductor114821043.
- Electron_mobility type Material114580897.
- Electron_mobility type Matter100020827.
- Electron_mobility type Measure100033615.
- Electron_mobility type Part113809207.
- Electron_mobility type PhysicalEntity100001930.
- Electron_mobility type PhysicalQuantities.
- Electron_mobility type Relation100031921.
- Electron_mobility type Semiconductor114821248.
- Electron_mobility type Semiconductors.
- Electron_mobility type Substance100019613.
- Electron_mobility comment "In solid-state physics, the electron mobility characterizes how quickly an electron can move through a metal or semiconductor, when pulled by an electric field. In semiconductors, there is an analogous quantity for holes, called hole mobility.".
- Electron_mobility label "Beweglichkeit (Physik)".
- Electron_mobility label "Electron mobility".
- Electron_mobility label "Mobilidade".
- Electron_mobility label "Mobilité des porteurs de charge".
- Electron_mobility label "Ruchliwość".
- Electron_mobility label "Подвижность носителей заряда".
- Electron_mobility label "حركية الالكترون".
- Electron_mobility label "电子迁移率".
- Electron_mobility label "電子移動度".
- Electron_mobility sameAs Beweglichkeit_(Physik).
- Electron_mobility sameAs Mobilité_des_porteurs_de_charge.
- Electron_mobility sameAs 電子移動度.
- Electron_mobility sameAs 전자_이동도.
- Electron_mobility sameAs Ruchliwość.
- Electron_mobility sameAs Mobilidade.
- Electron_mobility sameAs m.0394kf.
- Electron_mobility sameAs Q6501076.
- Electron_mobility sameAs Q6501076.
- Electron_mobility sameAs Electron_mobility.
- Electron_mobility wasDerivedFrom Electron_mobility?oldid=602502429.
- Electron_mobility isPrimaryTopicOf Electron_mobility.