SEMICONDUCTOR DEVICE PHYSICS AND DESIGN

538 APPENDIX D. IMPORTANT PROPERTIES OF SEMICONDUCTORS

InSb

0.64

GaSb

0.62

AlSb

0.60

InAs

0.58

AlAs, GaAs

0.56

AlP, GaP

0.54

InP

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0

AlAsxSb1–x

GaAsxSb1–x

GaxIn1–xAs

Al

xIn1–x

P

Ga

xIn1–x

P

AlxGa1–xP

AlxGa1–xAs

Al

xIn1–x

As

GaxIn1–xSb

InAsxSb1–x

MOLE FRACTION,x

L

ATTICE CONSTANT

,

a

(nm)

Figure D.2: Lattice constants of several alloy systems.