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What is avalanche breakdown?

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What is avalanche breakdown?

Posted by Ananya Dixit 6 years, 2 months ago

CBSE > Class 12 > Physics

2 answers

Sohan .G 6 years, 2 months ago

Zener method Is to dope higher than the normal doping i.e increase the electrons and holes which increases the voltage produced in the depletion region. This breakdown is known as Zener breakdown. Avalanches method is to dope lower than the normal doping i.e decrease the electrons and holes which decreases the voltage produced in the depletion region.This breakdown is called an Avalanches breakdown.

Ankit Devnda 6 years, 2 months ago

It is a phenomenon that can occur in both insulating and semiconducting materials. It is a form of electric current multiplication that can allow very large currents within materials which are otherwise good insulators. It is a type of electron avalanche. The avalanche process occurs when carriers in the transition region are accelerated by the electric field to energies sufficient to create mobile or free electron-hole pairs via collisions with bound electrons.

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