文档介绍：Semiconductor
Optoelectronic Devices
Introduction to Physics
and Simulation
JOACHIM PIPREK
University of California
at Santa Barbara
ACADEMIC PRESS
An imprint of Elsevier Science
Amsterdam Boston London New York Oxford Paris
San Diego San Francisco Singapore Sydney Tokyo
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Contents
Preface xi
List of Tables xiii
I Fundamentals 1
1 Introduction to Semiconductors 3
Electrons. Holes. Photons. and Phonons .............. 3
Fermi distribution and density of states ............... 5
Doping ............................... 7
2 Electron energy bands 13
Fundamentals ............................ 13
2 . 1. 1 Electron Waves ....................... 13
Effective Mass of Electrons and Holes ........... 16
Energy Band Gap ...................... 20
Electronic Band Structure: The k . Method ............ 23
Two-Band Model (Zinc Blende) .............. 24
Strain Effects (Zinc Blende) ................ 27
Three- and Four-Band Models (Zinc Blende! ....... 30
Three-Band Model for Wurtzite Crystals .......... 32
Quantum Wells ........................... 39
Semiconductor Alloys ........................ 43
Band Offset at Heterointerfaces ................... 43
3 Carrier transport 49
Drift and Diffusion ......................... 49
pn-Junctions ............................ 50
Heterojunctions ........................... 51
Tunneling .............................. 54
Boundary Conditions ........................ 56
Insulator-Semiconductor Interface ............. 57
Metal-Semiconductor Contact ............... 58
...
CONTENTS
Carrier Mobility ........................... 61
Electron-Hole bination ................... 67
Radiative bination .................. 67
Nonradiative bination ................ 68
Electron-Hole Generation ..................