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a) Why the energy band gap is also known as forbidden band gap? Sketch the energy band diagrams and the Fermi level for intrinsic, n-type and p-type semiconductor considering a bandgap of 1.2 eV, show the relative differences. b) Evaluate the situation when a silicon with region A has doping of N, = 1 x 10" cm³, region B has N, = 1 x 10 cm³ and region C has N,=1 x 10" cm²as shown in Fig. 1 (b) and sketch the depletion region of a p-i-n junction. (Please shade the depletion region clearly. Show the relative thickness of the depletion region.)

a) Why the energy band gap is also known as forbidden band gap? Sketch the energy band diagrams and the Fermi level for intrinsic, n-type and p-type semiconductor considering a bandgap of 1.2 eV, show the relative differences. b) Evaluate the situation when a silicon with region A has doping of N, = 1 x 10" cm³, region B has N, = 1 x 10 cm³ and region C has N,=1 x 10" cm²as shown in Fig. 1 (b) and sketch the depletion region of a p-i-n junction. (Please shade the depletion region clearly. Show the relative thickness of the depletion region.)

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...
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Semiconductor Question* Question 1 (please solve both questions but prioritize Q (b))
a) Why the energy band gap is also known as forbidden band gap? Sketch the energy band diagrams and the Fermi level for intrinsic, n-type and p-type semiconductor considering a bandgap of 1.2 eV, show the relative differences. b) Evaluate the situation when a silicon with region A has doping of N, = 1 x 10® cm³, region B has N, = 1 x 105 cm³ and region C has N,=1 x 10" cm*as shown in Fig. 1 (b) and sketch the depletion region of a p-i-n junction. (Please shade the depletion region clearly. Show the relative thickness of the depletion region.) P++ P+ n++ B Fig.1 (b)
Transcribed Image Text:a) Why the energy band gap is also known as forbidden band gap? Sketch the energy band diagrams and the Fermi level for intrinsic, n-type and p-type semiconductor considering a bandgap of 1.2 eV, show the relative differences. b) Evaluate the situation when a silicon with region A has doping of N, = 1 x 10® cm³, region B has N, = 1 x 105 cm³ and region C has N,=1 x 10" cm*as shown in Fig. 1 (b) and sketch the depletion region of a p-i-n junction. (Please shade the depletion region clearly. Show the relative thickness of the depletion region.) P++ P+ n++ B Fig.1 (b)
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