EXAFS fitting parameters of various Fe doping concentrations, x of Li2(Li1−xFex)N; R-factor (R), Energy alignment (ΔE), Fe–N and Fe–Li Bond Lengths (RN and RLi respectively) and Debye–Waller factor (σ2) for lithium (Li) and nitrogen (N) scattering atoms. Amplitude reduction factor, S02 fixed to 0.92.
| x | 0.0020(5) | 0.0063(4) | 0.0093(6) |
|---|---|---|---|
| R | 0.004 | 0.028 | 0.061 |
| ΔE (eV) | 10.85 ± 0.93 | 9.35 ± 1.84 | 9.73 ± 2.85 |
| R N (Å) | 1.873 ± 0.007 | 1.869 ± 0.015 | 1.868 ± 0.023 |
| σ N 2 (Å2) × 10−3 | 0.7 ± 0.5 | 3.4 ± 1.0 | 4.9 ± 1.6 |
| R Li (Å) | 2.867 ± 0.015 | 2.840 ± 0.025 | 2.845 ± 0.039 |
| σ Li 2 (Å2) × 10−3 | 20.4 ± 3.0 | 19.6 ± 4.5 | 17.9 ± 5.8 |