Fe concentration (%)

Peak position

d-spacing (Å)

Lattice constants

x = 0.00

28.34

3.18

a = 3.84, c = 6.25

x = 0.01

28.38

3.14

a = 3.81, c = 6.23

x = 0.05

28.47

3.11

a = 3.77, c = 6.19

x = 0.1

28.50

3.09

a = 3.75, c = 6.14