Sample Fe_1−xAl_x

Crystallite Size in nm

Lattice Parameter (a₀) in nm

Intensity (I) in %

x = 0.3

7.5

0.289

100

x = 0.4

7.2

0.290

92

x = 0.5

6.2

0.291

82

x = 0.6

6.0

0.292

62