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
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?
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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
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