I have come across many papers but still couldn't find the relationship between index of refraction or atomic scattering factors, and reflectivity.
My flow of thought goes as follows:
- Get the tabulated scattering factors with the respective energy($f'$ and $f"$)
- Calculate the absorption coefficients at their respective energy (or simply get it from the tabulated scattering factors too)
- Obtain the extinction coefficients, and perform Kramers-Kronig to get the refractive indices.
- From here onwards, could anyone advise me on how to calculate the reflectivity for p-polarized light, and plot it against angles of incidences to get a graph of Kiessig interference fringes?
Thank you so much! Any help is much appreciated! Please do correct any of the mistakes that I may have in my flow of thought =)