Table 2 EXAFS fitting results deduced from W L3-edge spectra of WxV1−xO2 samples
From: Unraveling Metal-insulator Transition Mechanism of VO2Triggered by Tungsten Doping
W% | R-factor | V–O (Å) (±0.02) | σ2(10−3Å) | V–V (Å) (±0.02) | σ2(10−3Å) | ΔE0(eV) |
|---|---|---|---|---|---|---|
0.54 | 0.049 | 1.78/1.83/1.92 | 5.1 (±1.3) | 2.75/2.94/3.47 | 9.2 (±2.6) | −3.1 (±1.6) |
0.95 | 0.059 | 1.86/1.89/1.95 | 4.7 (±3.0) | 2.89/2.96/3.57 | 3.7 (±2.3) | 8.1 (±1.7) |
1.54 | 0.023 | 1.96 | 3.6 (±1.3) | 3.01/3.60 | 6.2 (±2.1) | −2.1 (±1.5) |
2.38 | 0.028 | 1.98 | 3.2 (±1.1) | 3.10/3.63 | 5.6 (±1.5) | −3.4 (±0.8) |
