2. (a) A Si substrate at room temperature is doped with 2.70 × 100%/cm3 donor atoms. Determine the electron and hole concentrations of the sample and the type of the substrate. [Given: ni = 1.5 × 100 /cm3, Nc = 6.0953 × 10¹/cm3, Eg = 1.1 eV] 19 (b) If the above sample is overdoped with 5 × 100/cm3 acceptor atoms, what will be the new electron and hole concentrations for the substrate? What will be the type of the substrate after acceptor doping?
2. (a) A Si substrate at room temperature is doped with 2.70 × 100%/cm3 donor atoms. Determine the electron and hole concentrations of the sample and the type of the substrate. [Given: ni = 1.5 × 100 /cm3, Nc = 6.0953 × 10¹/cm3, Eg = 1.1 eV] 19 (b) If the above sample is overdoped with 5 × 100/cm3 acceptor atoms, what will be the new electron and hole concentrations for the substrate? What will be the type of the substrate after acceptor doping?
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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![2. (a) A Si substrate at room temperature is doped with 2.70 × 100%/cm3 donor atoms.
Determine the electron and hole concentrations of the sample and the type of the
substrate. [Given: ni = 1.5 × 100 /cm3, Nc = 6.0953 × 10¹/cm3, Eg = 1.1 eV]
19
(b) If the above sample is overdoped with 5 × 100/cm3 acceptor atoms, what will be the
new electron and hole concentrations for the substrate? What will be the type of the
substrate after acceptor doping?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F8fb69cb6-850d-4a3f-91d9-c6330f459c17%2Fb5ea0227-36b4-413b-909d-d5adaf66e43f%2Fd5cuysa_processed.png&w=3840&q=75)
Transcribed Image Text:2. (a) A Si substrate at room temperature is doped with 2.70 × 100%/cm3 donor atoms.
Determine the electron and hole concentrations of the sample and the type of the
substrate. [Given: ni = 1.5 × 100 /cm3, Nc = 6.0953 × 10¹/cm3, Eg = 1.1 eV]
19
(b) If the above sample is overdoped with 5 × 100/cm3 acceptor atoms, what will be the
new electron and hole concentrations for the substrate? What will be the type of the
substrate after acceptor doping?
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