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

From: High temperature steam corrosion of LuPO4 and high-entropy rare earth phosphates in the presence of Al(OH)3 and Si(OH)4 impurities

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