3.60
.59
o
S-
58
^ r* -7
en 57
c:
<C
.56
(V
4->
O)
| .55
rd
Q_
S -54
 .53
.52
.51
3.50
.7 .8
.9 1.0 1.1
RATIO a/b
Figure 4.10 Plot of lattice parameter verses the
ratio of a to b (a and b defined in
Figure 4.9).