Table 1.

Parameters of the stacked layer model fit for bilayer and multilayer PtSe₂ thin films.

Layer type	Bilayer	Multilayer
Sapphire substrate (mm)	1	1
Film (nm)	1.45 ± 0.3	5.10 ± 0.6
Surface roughness (nm)	0.10 ± 0.02	0.25 ± 0.03