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- Intrinsic_semiconductor abstract "An intrinsic semiconductor, also called an undoped semiconductor or i-type semiconductor, is a pure semiconductor without any significant dopant species present. The number of charge carriers is therefore determined by the properties of the material itself instead of the amount of impurities. In intrinsic semiconductors the number of excited electrons and the number of holes are equal: n = p.The electrical conductivity of intrinsic semiconductors can be due to crystallographic defects or electron excitation. In an intrinsic semiconductor the number of electrons in the conduction band is equal to the number of holes in the valence band. An example is Hg0.8Cd0.2Te at room temperature.An indirect band gap intrinsic semiconductor is one in which the maximum energy of the valence band occurs at a different k (k-space wave vector) than the minimum energy of the conduction band. Examples include silicon and germanium.A direct band gap intrinsic semiconductor is one where the maximum energy of the valence band occurs at the same k as the minimum energy of the conduction band. Examples include gallium arsenide.A silicon crystal is different from an insulator because at any temperature above absolute zero temperature, there is a finite probability that an electron in the lattice will be knocked loose from its position, leaving behind an electron deficiency called a "hole".If a voltage is applied, then both the electron and the hole can contribute to a small current flow. The conductivity of a semiconductor can be modeled in terms of the band theory of solids. The band model of a semiconductor suggests that at ordinary temperatures there is a finite possibility that electrons can reach the conduction band and contribute to electrical conduction.The term intrinsic here distinguishes between the properties of pure "intrinsic" silicon and the dramatically different properties of doped n-type or p-type semiconductors.".
- Intrinsic_semiconductor wikiPageID "2245430".
- Intrinsic_semiconductor wikiPageRevisionID "574997547".
- Intrinsic_semiconductor hasPhotoCollection Intrinsic_semiconductor.
- Intrinsic_semiconductor subject Category:Semiconductor_material_types.
- Intrinsic_semiconductor comment "An intrinsic semiconductor, also called an undoped semiconductor or i-type semiconductor, is a pure semiconductor without any significant dopant species present. The number of charge carriers is therefore determined by the properties of the material itself instead of the amount of impurities.".
- Intrinsic_semiconductor label "Intrinsic semiconductor".
- Intrinsic_semiconductor label "Półprzewodnik samoistny".
- Intrinsic_semiconductor label "Semi-conducteur intrinsèque".
- Intrinsic_semiconductor label "Собственный полупроводник".
- Intrinsic_semiconductor label "شبه موصل ذاتي".
- Intrinsic_semiconductor label "本征半导体".
- Intrinsic_semiconductor label "真性半導体".
- Intrinsic_semiconductor sameAs Semi-conducteur_intrinsèque.
- Intrinsic_semiconductor sameAs 真性半導体.
- Intrinsic_semiconductor sameAs 진성_반도체.
- Intrinsic_semiconductor sameAs Półprzewodnik_samoistny.
- Intrinsic_semiconductor sameAs m.06yvyc.
- Intrinsic_semiconductor sameAs Q1197777.
- Intrinsic_semiconductor sameAs Q1197777.
- Intrinsic_semiconductor wasDerivedFrom Intrinsic_semiconductor?oldid=574997547.
- Intrinsic_semiconductor isPrimaryTopicOf Intrinsic_semiconductor.