Table 1 Specifications of the In0.53Ga0.47As/InP wafers used in this experiment.

From: Effects of H2 High-pressure Annealing on HfO2/Al2O3/In0.53Ga0.47As Capacitors: Chemical Composition and Electrical Characteristics

Substrates

Layers

Thickness (nm)

x

Dopant

Doping conc.(cm−3)

p-type In1−x Ga x As on p+ InP

In1−x Ga x As

100

0.53

Be

5 × 1017

In1−x Ga x As

150

0.53

Be

1 × 1017

p+ InP

650,000

Zn

2 × 1018

n-type In1−x Ga x As on n+ InP

In1−x Ga x As

150

0.53

Si

5 × 1017

In1−x Ga x As

100

0.53

Si

1 × 1017

n+ InP

650,000

S

3 × 1018