NationMaster - Encyclopedia: Depletion width

Depletion width is the width of the depletion zone in a p-n junction. The depletion zone within a semiconductor device is a region of nonconductor whose width can be controlled by e-fields, i.e. by applied voltage.

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P-n junction - Wikipedia, the free encyclopedia (849 words)
	This nonconducting layer, called the depletion zone, occurs because the electrical charge carriers in doped n-type and p-type silicon (electrons and holes, respectively) attract and eliminate each other in a process called recombination.
	At the middle of the junction of the p-n material, a depletion region is created to stand-off the reverse voltage.
	The width of the depletion region grows larger with higher voltage.

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