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Erschienen in:
1996 | OriginalPaper | Buchkapitel
The junction diode
verfasst von : Ariacutty Jayendran, Rajah Jayendran
Erschienen in: Englisch für Elektroniker
Verlag: Vieweg+Teubner Verlag
Enthalten in: Professional Book Archive
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A p-n junction can be formed in a semiconductor crystal by introducing donor impurities into one part of the crystal and acceptor impurities into the other part of the crystal. A junction is formed in the region where the two types of impurities meet. A junction diode is constructed by attaching two ohmic metallic contacts to the ends of a semiconductor crystal which has a sharp p-n junction inside it. Such a device behaves like a rectifier allowing a large current to flow in one direction, and a negligible current to flow in the other direction.