Table 2. Curie Constant (K), Paramagnetic Moment (μB) per Formula Unit or per Rare-Earth Atom, Saturation Magnetization (μB) at 1.8 K per Atom, and Expected (Theoretical) Effective Paramagnetic Moment (μB) per Rare-Earth Atom for the Different Series of Rare-Earth Ions and Binary Combinationsa.
| Θ (K) | PM (μB/f.u.) | PM (μB/atom) | MS (μB/atom) @1.8 K | PM (μB)Efective | TMax (K) from AC | |
|---|---|---|---|---|---|---|
| Ce | –5.0 | 2.8 | 2.0 | 0.9 | 2.5 | 0.4 |
| Nd | –58.0 | 5.3 | 3.7 | 1.2 | 3.6 | 0.2 |
| Eu | –192.0 | 4.8 | 3.4 | 0 | 0 | 1.2 |
| Gd | –9.0 | 15.8 | 11.0 | 7.0 | 7.9 | 0.5 |
| Tb | +15.0 | 13.0 | 9.2 | 6.0 | 9.8 | 3.7 |
| Dy | +0.5 | 11.3 | 8.0 | 8.0 | 10.5 | 0.6 |
| Ho | –22.4 | 16.7 | 11.8 | 6.0 | 10.6 | 0.6 |
| Er | –21.0 | 14.8 | 10.4 | 8.0 | 9.6 | 1.6 |
| Yb | –191.0 | 7.4 | 5.2 | 1.9 | 4.5 | 0.4 |
| Yb–Gd | –9.4 | 9.8 | 10.0b | 9.1 | 2.7 | |
| Yb–Dy | –4.9 | 11.5 | 8.0b | 11.4 | 1.6 |
Also includes the extrapolated TMax from the AC magnetic susceptibility data.
MS (μB/f.u.).