We inject electrons into a p-type semiconductor 5 microns long such that the concentration varies linearly from 10E20 cm^-3 to 0 from left to right. If the mobility of the electrons is 500 cm^2/V.s, what is the current density if the electric fields are negligible?

We inject electrons into a p-type semiconductor 5 microns long such that the concentration varies linearly from 10E20 cm^-3 to 0 from left to right. If the mobility of the electrons is 500 cm^2/V.s, what is the current density if the electric fields are negligible?

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter1: Atomic Structure

Section: Chapter Questions

Problem 6RQ: How many valence electrons are generally contained in materials used for insulators?

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