Table 2 XRD parameters calculated for diffraction line “200”.
From: The role of promoters on NiO catalysts for methane decomposition and hydrogen production
Sample | 2θ (deg) | β (FWHM) | Crystal size (nm) | d spacing (Å) | a (Å) |
|---|---|---|---|---|---|
NiO | 43.22 | 0.28 | 30.5 | 2.091 | 4.182 |
10% Al-NiO | 43.24 | 0.30 | 28.5 | 2.09 | 4.18 |
10% Co-NiO | 43.18 | 0.24 | 35.6 | 2.093 | 4.185 |
10% Cu-NiO | 43.26 | 0.34 | 25.1 | 2.089 | 4.178 |