Tables

Table I

Correlation of Leak Valve Setting and PEMBE Chamber Pressure.

Leybold Leak Valve Setting

PEMBE Chamber Pressure
4.9
1.4 x 10-5 Torr
5.2
4.3 x 10-5 Torr
5.5
1.4 x 10-4 Torr
5.8
3.8 x 10-4 Torr

Table II

Summary of the experimental InxGa1-xN matrix varying alloy composition and growth temperature.

Target Film

Composition

Unheated Substrate (~60°C)
Substrate Heated to 200°C
Substrate Heated to 400°C
InN
X-ray: x=1

EG = 1.68 eV

X-ray: x=1
X-ray: x=1

EG = 1.67 eV

In0.75Ga0.25N
X-ray: x=0.82

EG = 1.91 eV

X-ray: x=0.85

EG = 1.82 eV

X-ray: x=0.85

EG = 1.85 eV

In0.5Ga0.5N
X-ray: x=0.60

EG = 2.03 eV

X-ray: x=0.59

EG = 2.0 eV

X-ray: x=0.71

EG = 1.99 eV

In0.25Ga0.75N
X-ray: x=0.35

EG = 2.46 eV

X-ray: x=0.48
X-ray: x=0.48

EG = 2.32 eV

GaN
X-ray: x=0.28

EG = 3.10 eV

X-ray: x=0.27

EG = 3.24 eV

X-ray: x=0.10

EG = 3.06 eV


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