Concentration of gadolinium (wt.%)

a (Å)

c (Å)

c/a

0

3.25331

5.21137

1.6018

0.2

3.25118

5.20893

1.6021

0.4

3.25012

5.20787

1.6023

0.6

3.24732

5.20111

1.6016

0.8

3.25422

5.21253

1.6017