donor-impurity atom
1donor — 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… …
2donor — [ 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… …
3Donor (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 …
4donor — 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 …
5donor — /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… …
6Crystallographic defects in diamond — Synthetic diamonds of various colors grown by the high pressure high temperature technique, the diamond size is 2 mm …
7Extrinsic 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… …
8colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which …
9semiconductor 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,… …
10Persistent carbene — A stable carbene: isolated 1,3 dimesitylimidazol 2 ylidene in a Schlenk flask (stir bar also present). A persistent carbene (also known as stable carbene or Arduengo carbene) is a type of carbene demonstrating particular stability. The best known …
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