From: Coating of magnetite with mercapto modified rice hull ash silica in a one-pot process
Magnetite
2θ(°)
Intensity
a (Å)
d311(Å)
D ¯ XRD (nm)
c-Fe3O4
35.48
957
8.21
2.53
28.93
m-Fe3O4
35.55
185
8.41
2.52
14.84
u-Fe3O4
35.62
274
8.31
14.21