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General Questions and Answers / How to fit the optical constants of silicon?

« on: September 25, 2024, 07:13 »

I tried using the silicon alpha data to simulate the optical constants of silicon from the paper by D. E. Aspnes and A. A. Studna: Dielectric functions and optical parameters of Si, Ge, GaP, GaAs, GaSb, InP, InAs, and InSb from 1.5 to 6.0 eV (Phys. Rev. B 27, 985-1009, 1983), but I found that the results did not match well.
Are there any methods to improve this? Thank you.