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p-n junctions consist of two adjacent semiconductor regions of opposite type. Such junctions show a pronounced rectifying behavior and are therefore called p-n diodes1.
The p-n junction is a versatile device, which is often used as a rectifying element. In addition, they can be used as solar cells, photodiodes, LEDs and even laser diodes. They are also an essential part of Metal-Oxide-Silicon Field-Effects-Transistors (MOSFETs) and Bipolar Junction Transistors (BJTs).
3. ¬ ® 4.2
© Bart J. Van Zeghbroeck, 1996, 1997