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Consider a silicon PN step junction diode with Nd = 1016 cm³ and N₁ = 5 × 1015 cm³. Assume T= 300 K. (a) Calculate the built-in potential bi (b) Calculate the depletion-layer width (W dep) and its length on the N side (xn) and P side (xp). (c) Calculate the maximum electric field. (d) Sketch the energy band diagram, electric potential, electric field distribution, and the space-charge profile. (e) Now let N₁ = 1018 cm³. Repeat (a), (b), and (c). Compare these to the previous results. How have the depletion widths changed?

Consider a silicon PN step junction diode with Nd = 1016 cm³ and N₁ = 5 × 1015 cm³. Assume T= 300 K. (a) Calculate the built-in potential bi (b) Calculate the depletion-layer width (W dep) and its length on the N side (xn) and P side (xp). (c) Calculate the maximum electric field. (d) Sketch the energy band diagram, electric potential, electric field distribution, and the space-charge profile. (e) Now let N₁ = 1018 cm³. Repeat (a), (b), and (c). Compare these to the previous results. How have the depletion widths changed?

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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Consider a silicon PN step junction diode with Nd = 1016 cm³ and N₁ = 5 × 1015 cm³. Assume T= 300 K. (a) Calculate the built-in potential bi (b) Calculate the depletion-layer width (W dep) and its length on the N side (xn) and P side (xp). (c) Calculate the maximum electric field. (d) Sketch the energy band diagram, electric potential, electric field distribution, and the space-charge profile. (e) Now let N₁ = 1018 cm³. Repeat (a), (b), and (c). Compare these to the previous results. How have the depletion widths changed?
Transcribed Image Text:Consider a silicon PN step junction diode with Nd = 1016 cm³ and N₁ = 5 × 1015 cm³. Assume T= 300 K. (a) Calculate the built-in potential bi (b) Calculate the depletion-layer width (W dep) and its length on the N side (xn) and P side (xp). (c) Calculate the maximum electric field. (d) Sketch the energy band diagram, electric potential, electric field distribution, and the space-charge profile. (e) Now let N₁ = 1018 cm³. Repeat (a), (b), and (c). Compare these to the previous results. How have the depletion widths changed?
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