Consider a Si sample at 300 K where the total, sum of drift and diffusion current densities, of electrons is -40 A/cm2. The electron mobility is 960 cm2/V-sec throughout the sample, and the electron concentration varies as n(x) = 1016 exp (-x/0.0012) cm-3 (note that x is measured in centimeters). Determine the Electric field as a function of x which must exist in the sample

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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Consider a Si sample at 300 K where the total, sum of drift and diffusion current densities, of electrons is -40 A/cm2. The electron mobility is 960 cm2/V-sec throughout the sample, and the electron concentration varies as n(x) = 1016 exp (-x/0.0012) cm-3 (note that x is measured in centimeters). Determine the Electric field as a function of x which must exist in the sample

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