Lattice parameter, density, and porosity for all samples of series S1 (Co1−xCrxFe2O4) and S2 (Co1+xCrxFe2−xO4).
| Series | x | a exp (Å) | V exp (Å3) | a true (Å) | V true (Å3) | a th (Å) | V th (Å3) | d x (g cm−3) | d B (g cm−3) | d reit (g cm−3) | P (%) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| S1 | 0 | 8.3492 | 582.01 | 8.3539 | 582.45 | 8.3635 | 585 | 5.36 | 4.90 | 5.34 | 9 |
| 0.125 | 8.3520 | 582.6 | 8.3596 | 579.51 | 8.3642 | 585 | 5.33 | 4.87 | 5.33 | 9 | |
| 0.250 | 8.3542 | 583.06 | 8.3600 | 578.15 | 8.3647 | 585 | 5.31 | 4.78 | 5.29 | 10 | |
| 0.375 | 8.3644 | 585.2 | 8.3672 | 577.47 | 8.3658 | 586 | 5.27 | 4.69 | 5.27 | 11 | |
| 0.500 | 8.3765 | 587.74 | 8.3746 | 576.55 | 8.3713 | 587 | 5.31 | 4.61 | 5.22 | 13 | |
| S2 | 0.125 | 8.3556 | 582.39 | 8.3705 | 586.48 | 8.4927 | 613 | 5.52 | 4.94 | 5.52 | 11 |
| 0.250 | 8.3581 | 589.32 | 8.3896 | 590.50 | 8.6096 | 638 | 5.67 | 5.00 | 5.68 | 12 | |
| 0.375 | 8.3649 | 595.80 | 8.3958 | 591.81 | 8.7272 | 665 | 5.82 | 5.07 | 5.85 | 13 | |
| 0.500 | 8.376 | 604.68 | 8.4061 | 593.99 | 8.8414 | 691 | 5.95 | 5.09 | 6.01 | 15 |