Shield Material

Density (g/cm³)

Shield Thickness to reduce the RD to: (mm)

60%

50%

40%

30%

20%

Al₂O₃

3.96

0.70

1.15

1.61

2.50

3.60

YAlO₃

5.35

0.31

0.51

0.83

1.29

2.01

LaAlO₃

6.53

0.19

0.31

0.50

0.83

1.35

NdAlO₃

6.91

0.16

0.28

0.43

0.75

1.22

GdAlO₃

7.44

0.14

0.24

0.40

0.68

1.10