Silicon is doped with boron to a concentration of 4×1010 atom/cm3.assume the intrinsic 1.5×1010 /cm3 and the value of kT/q to be 25 mV at 300 K. Compared to the undoped silicon, The Fermi level of doped silicon (a) Goes down by 0.13 eV (b) Goes up by 0.13 eV (c) Goes down by 0.427 eV (d) Goes up by 0.427 eV

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?
icon
Related questions
Question

Silicon is doped with boron to a concentration of 4×1010 atom/cm3.assume the intrinsic 1.5×1010 /cm3 and the value of kT/q to be 25 mV at 300 K. Compared to the undoped silicon, The Fermi level of doped silicon

(a) Goes down by 0.13 eV

(b) Goes up by 0.13 eV

(c) Goes down by 0.427 eV

(d) Goes up by 0.427 eV

Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps

Blurred answer
Knowledge Booster
Types of Semiconductor Material and Its Energy Band Analysis
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
Electrical Engineering
ISBN:
9781337900348
Author:
Stephen L. Herman
Publisher:
Cengage Learning