Figure 4. Relaxation curve observed after quick cooling the sample Pb
1-x
Ge
x
Te
1-y
S
y
with x=0.009, y=0.068 from 83 to 55 K.
Figure 4. Relaxation curve observed after quick cooling the sample
Pb1-xGexTe1-ySy with
x=0.009, y=0.068 from 83 to 55 K.