For a particular semiconductor sample, hole concentration po = 1013e¬*/Lr cm³ for x 2 0, Lp = 2 × 10-3 cm; electron concentration n, = 2 x 1014e-*/Ln cm³ for x 2 0, Ln = 1 × 10-4 cm; D, = 20cm; D, = 10ª cm2 . The total current density at x = 0 and x = 1 µm respectively %3D are

For a particular semiconductor sample, hole concentration po = 1013e¬/Lr cm³ for x 2 0, Lp = 2 × 10-3 cm; electron concentration n, = 2 x 1014e-/Ln cm³ for x 2 0, Ln = 1 × 10-4 cm; D, = 20cm; D, = 10ª cm2 . The total current density at x = 0 and x = 1 µm respectively %3D are

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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Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.

Question

For a particular semiconductor sample,
hole concentration p, = 1013e¬x/Lr cm³ for x 2 0, Lp = 2 × 10-3 cm;
electron concentration n, = 2 x 1014e-*/Ln cm³ for x 2 0, Ln = 1 × 10-4 cm;
D, = 20 ; Dn = 10 ". The total current density at x = 0 and x = 1 µm respectively
cm?
cm?
are
0.65 A/cm² and 3 A/cm?

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