Table 1 Physical parameters of the La-Fe-Si alloy [21] used in our calculations
Parameters | α-(Fe,Si) phase | 1:13 phase |
|---|---|---|
k B (J/K) | 1.38 × 10−23 | 1.38 × 10−23 |
N l | 6.02 × 1023 | 6.02 × 1023 |
f(θ) | 0.3 | 0.3 |
T L (K) | 1,811 | 1,698 |
a 0 (m) | 2.48 × 10−10 | 1.56 × 10−12 |
V m (m3°mol−1) | 7.1 × 10−6 | 8.1 × 10−6 |
α | 0.71 | 0.417 |
N n (J/mol K) | 1.572 × 1025 | 1.572 × 1025 |
σ | 0.350 | 0.430 |
η (T) | 0.09 | 0.09 |
ΔS f (J/mol K) | 8.48 | 20.67 |
ΔG* | \( \frac{1.09\times {10}^{10}}{{\left(\varDelta T\right)}^2} \) | \( \frac{4.04\times {10}^{10}}{{\left(\varDelta T\right)}^2} \) |
ΔG V | \( \frac{2.16\times {10}^9}{{\left(\varDelta T\right)}^2} \) | \( \frac{8.05\times {10}^9}{{\left(\varDelta T\right)}^2} \) |