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A · B · C · D · E · F · G · H · I · J · K · L · M · N · O · P · Q · R · S · T · U · V · W · X · Y · Z   entire Web this site donor In a semiconductor material or device, an n-type dopant, such as arsenic or phosphorus, that puts an additional electron into an energy level very near the conduction band; this electron is easily excited into the conduction band where it increases the electrical conductivity over than of an undoped semiconductor. Related category    • SEMICONDUCTOR SCIENCE AND TECHNOLOGY Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) BACK TO TOP