Table 2 Fitting parameters and results for 1200 ppm and 2400 ppm Mn-doped UO2 oxide powders.
From: Fabrication, defect chemistry and microstructure of Mn-doped UO2
UO2 + 1200 ppm Mn (Calcined oxide powder) | UO2 + 2400 ppm Mn (Calcined oxide powder) | |
|---|---|---|
S02 | 1.0 | 1.0 |
∆Eo | − 0.8 (1) | − 0.9 (6) |
N (Mn-O1) | 6 | 6 |
Reff (Mn-O1) | 2.37 | 2.37 |
R(Mn-O1) | 2.29 (1) | 2.27 (1) |
σ2 (O1) | 0.016 (1) | 0.018 (1) |
α (%) | 100.0 | 100.0 |
N (Mn-O2) | 2 | 2 |
Reff (Mn-O2) | 2.37 | 2.37 |
R(Mn-O2) | 2.57 (3) | 2.55 (3) |
σ2 (O2) | 0.012 (4) | 0.015 (4) |
α (%) | 100.0 | 100.0 |
N (Mn-U1) | 5 | 5 |
Reff (Mn-U1) | 3.87 | 3.87 |
R(Mn-U1) | 3.78 (1) | 3.78 (1) |
σ2 (U1) | 0.011 (1) | 0.013 (1) |
α (%) | 100.0 | 100.0 |
R-factor | 0.0098 | 0.0071 |
Bond valence sum (O1) | 1.56 | 1.62 |
Bond valence sum (O2) | 0.24 | 0.26 |
Bond valence sum (total) | 1.80 | 1.88 |