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Optical constants of MoS2 (Molybdenum disulfide)
Ermolaev et al. 2020: monolayer film; n,k 0.365-1.70 µm

Wavelength: µm
 (0.365 – 1.7)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Conditions & Spec sheet

n_absolute: true
wavelength_vacuum: true
film_thickness: 1L
substrate: SiO2/Si

Comments

Optical constants of monolayer MoS2 were measured by spectroscopic ellipsometry in the spectral range 365‑1700 nm. MoS2 samples were synthesized by atmospheric pressure chemical vapor deposition on silicon wafers with 285 nm of SiO2. Tauc–Lorentz oscillators were used in ellipsometry model to describe the optical response of excitons.

References

G. A. Ermolaev, D. I. Yakubovsky, Yu. V. Stebunov, A. V. Arsenin, V. S. Volkov. Spectral ellipsometry of monolayer transition metal dichalcogenides: Analysis of excitonic peaks in dispersion, J. Vac. Sci. Technol. B 38, 014002 (2020) (Numerical data kindly provided by Georgy Ermolaev)

Data

[CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

Molybdenum disulfide, MoS2

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