Скачать или смотреть P N Junction / Depletion region / junction diode / unit 1 / lecture 5 / depletion layer

p n junction / depletion layer / junction potential / depletion region / unit 1 / lecture 5 / fundamental of electronics engineering / science

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When the P-type and N-type semiconductors are grown on the same crystal then the junction is formed where this P-type and N-type region meets. And this junction is known as the PN Junction. And the entire structure acts as a diode.
In PN junction diode, when p-type and n-type regions are joined together then electrons from the n-side recombines with the holes near the junction. And in this process, they create the positive and negative ions nears the junction. Hence, the region near the junction only contains positive and the negative ions. And being depleted from the free charge region, this region near the junction is knowns as the Depletion region.

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