1. Determine the electron and hole thermal equilibrium densities and the location of the Fermi level, with respect to Ec, for a silicon sample at 300 K that is doped with a) 1x10¹5 cm3 of boron. b) 3x10¹6 cm3 of boron and 2.9x10¹6 cm3 of phosphorus.

1. Determine the electron and hole thermal equilibrium densities and the location of the Fermi level, with respect to Ec, for a silicon sample at 300 K that is doped with a) 1x10¹5 cm3 of boron. b) 3x10¹6 cm3 of boron and 2.9x10¹6 cm3 of phosphorus.

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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Question

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1. Determine the electron and hole thermal equilibrium densities and the location of
the Fermi level, with respect to Ec, for a silicon sample at 300 K that is doped
with
a) 1x10¹5 cm3 of boron.
b) 3x10¹6 cm3 of boron and 2.9x10¹6 cm²³ of phosphorus.

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