donor impurity semiconductor

См. также в других словарях:

• Donor (semiconductors) — In semiconductor physics, a donor is a dopant atom that, when added to a semiconductor, can form n type regions. Phosphorus atom acting as a donor in the simplified 2D Silicon lattice. For example, when silicon (Si), having four valence electrons …   Wikipedia

• Semiconductor — Citations missing|date=March 2008A semiconductor is a solid material that has electrical conductivity in between a conductor and an insulator; it can vary over that wide range either permanently or dynamically. [. They are used in many… …   Wikipedia

• semiconductor device — ▪ electronics Introduction       electronic circuit component made from a material that is neither a good conductor nor a good insulator (hence semiconductor). Such devices have found wide applications because of their compactness, reliability,… …   Universalium

• semiconductor — /sem ee keuhn duk teuhr, sem uy /, n. 1. a substance, as silicon or germanium, with electrical conductivity intermediate between that of an insulator and a conductor: a basic component of various kinds of electronic circuit element (semiconductor …   Universalium

• donor — n. 1 a person who gives or donates something (e.g. to a charity). 2 one who provides blood for a transfusion, semen for insemination, or an organ or tissue for transplantation. 3 Chem. an atom or molecule that provides a pair of electrons in… …   Useful english dictionary

• donor — noun Etymology: Middle English donoure, from Anglo French doneur, from Latin donator, from donare Date: 15th century 1. one that gives, donates, or presents something 2. one used as a source of biological material (as blood or an organ) 3 …   New Collegiate Dictionary

• donor — [ dəʊnə, nɔ:] noun 1》 a person who donates something. 2》 Chemistry an atom or molecule that provides a pair of electrons in forming a coordinate bond. 3》 Physics an impurity atom in a semiconductor which contributes conducting electrons to the… …   English new terms dictionary

• donor — /ˈdoʊnə / (say dohnuh) noun 1. someone who gives or donates. 2. Medicine a. a person or animal furnishing blood for transfusion. b. a person from whose body an organ, bone marrow, body part, etc., is transplanted to a recipient. 3. Law someone… …  

• Extrinsic semiconductor — An extrinsic semiconductor is a semiconductor that has been doped , that is, into which a doping agent has been introduced, giving it different electrical properties than the intrinsic (pure) semiconductor. Doping involves adding dopant atoms to… …   Wikipedia

• N-Type Semiconductor —   A semiconductor produced by doping an intrinsic semiconductor with an electron donor impurity (e.g., phosphorous in silicon) …   Energy terms

• n-type semiconductor —   A semiconductor produced by doping an intrinsic semiconductor with an electron donor impurity (e.g., phosphorous in silicon).   Solar Electric Glossary …   Energy terms