From: Embedded Micro-detectors for EUV Exposure Control in FinFET CMOS Technology
Dielectric
Refractive index
Extinction coefficient
REF
Copper oxide (CuO)
0.948
0.072
[20]
Silicon dioxide (SiO2)
0.97352
0.01608
[21]
Aluminum oxide (Al2O3)
0.9714
0.035
[22]