acceptor(-impurity) atom
1acceptor — /ak sep teuhr/, n. 1. accepter. 2. Finance. a person who accepts a draft or bill of exchange, esp. the drawee who signs the draft or bill, confirming a willingness to pay it when due. 3. Also called acceptor atom, acceptor impurity. Physics. an… …
2acceptor — [ak sep′tər, əksep′tər] n. [L] 1. one who accepts; specif., a person who signs a promise to pay a draft or bill of exchange 2. Chem. an atom that receives a pair of electrons from another atom to form a covalent bond with it 3. Electronics an… …
3acceptor — n. 1 Commerce a person who accepts a bill. 2 Physics an atom or molecule able to receive an extra electron, esp. an impurity in a semiconductor. 3 Chem. a molecule or ion etc. to which electrons are donated in the formation of a bond. 4 Electr. a …
4Crystallographic defects in diamond — Synthetic diamonds of various colors grown by the high pressure high temperature technique, the diamond size is 2 mm …
5Extrinsic 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… …
6semiconductor 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,… …
7dopant — /doh peuhnt/, n. Electronics. an impurity added intentionally in a very small, controlled amount to a pure semiconductor to change its electrical properties: Arsenic is a dopant for silicon. [1960 65; DOPE + ANT] * * * Any impurity added to a… …
8semiconductor — /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 …
9Semiconductor — 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… …
10Fullerene — Buckminsterfullerene C60 (left) and carbon nanotubes (right) are two examples of structures in the fullerene family …
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