Table 1 A list of xenotime single and high-entropy RE phosphates with their respective average cation radius, cation size disorder, measured pellet density, theoretical density, and relative density
Compounds | Average cation radius (pm) | Cation size disorder (δ) (%) | Measured density (g cm−3) | Theoretical density (g cm−3) | Relative density (%) |
---|---|---|---|---|---|
(Lu0.2Yb0.2Er0.2Y0.2Gd0.2)PO4 | 100.76 | 2.68 | 5.83 | 6.00 | 97.17 |
(Sc0.1Lu0.3Yb0.3Er0.2Y0.1)PO4 | 97.83 | 3.94 | 5.82 | 6.06 | 96.04 |
(Sc0.1Lu0.3Yb0.2Y0.3Gd0.1)PO4 | 98.81 | 4.68 | 5.49 | 5.61 | 97.86 |
(Sc0.2Lu0.2Yb0.2Y0.2Gd0.2)PO4 | 98.08 | 6.28 | 5.33 | 5.53 | 96.38 |
(Sc0.2Lu0.2Yb0.2Y0.2Sm0.2)PO4 | 98.60 | 6.92 | 5.19 | 5.46 | 95.05 |
LuPO4 | 97.7 | 0 | 6.37 | 6.53 | 97.5 |