Thermodynamic properties of Cu–Dy intermetallic compounds.
| Intermetallic compound | ΔH⊖f/kJ mol−1 | ΔS⊖f/J mol−1 K−1 | ΔG⊖f(T)/kJ mol−1 | K ⊖ |
|---|---|---|---|---|
| Cu5Dy | −139.72 ± 2.14 | −36.67 ± 0.0048 | −139.72 + 0.036T | exp(−4.33 + 1685/T) |
| −116.4 (ref. 41) | ||||
| Cu9/2Dy | −137.07 ± 0.43 | −38.12 ± 0.0016 | −137.07 + 0.038T | exp(−4.57 + 16 486/T) |
| −121 ± 2.2 (ref. 43) | ||||
| Cu2Dy | −105.09 ± 2.09 | −36.78 ± 0.0002 | −105.09 + 0.036T | exp(−4.33 + 12 641/T) |
| CuDy | −81.58 ± 2.84 | −37.21 ± 0.001 | −81.58 + 0.037T | exp(−4.45 + 9813/T) |