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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 p-n junction The junction at the interface between two differently doped layers of semiconductor material – one layer doped with a positive-type dopant, the other layer with a negative-type dopant. An electrical field is established at the p-n junction, which gives direction to the flow of heat- or light-stimulated electrons. See also solar cell. Related category    • SEMICONDUCTOR SCIENCE AND TECHNOLOGY Also on this site: Encyclopedia of Science Transport Concepts & Designs (partner site) BACK TO TOP