(b) Explain what gives rise to diffusion current in a semiconductor. The one- dimensional Fick's second law for holes is: dp dx Jp =- where Jp is the hole diffusion current density; q is the electronic charge; Dp is the hole diffusion coefficient and p is the hole concentration in the semiconductor. If J, (0)= = 0.42 A/cm² and p (in cm 3) as a function of x (in cm) is given by: p=10¹3 (10+ exp(-2x10¹x)} determine the hole diffusion coefficient in this semiconductor.

(b) Explain what gives rise to diffusion current in a semiconductor. The one- dimensional Fick's second law for holes is: dp dx Jp =- where Jp is the hole diffusion current density; q is the electronic charge; Dp is the hole diffusion coefficient and p is the hole concentration in the semiconductor. If J, (0)= = 0.42 A/cm² and p (in cm 3) as a function of x (in cm) is given by: p=10¹3 (10+ exp(-2x10¹x)} determine the hole diffusion coefficient in this semiconductor.

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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