Refractive index database

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Optical constants of ZrSe2 (Zirconium diselenide)
Zotev et al. 2023: n,k(o) 0.36–1.0 µm

Wavelength: µm

Complex refractive index (n+ik)[ i ]

n   k   LogX   LogY   eV

Derived optical constants

Conditions & Spec sheet

n_is_absolute: true
wavelength_is_vacuum: true


Multilayer crystals. In-plane (ordinary ray, o). Room temperature.


P. G. Zotev, Y. Wang, D. Andres-Penares, T. Severs-Millard, S. Randerson, X. Hu, L. Sortino, C. Louca, M. Brotons-Gisbert, T. Huq, S. Vezzoli, R. Sapienza, T. F. Krauss, B. D. Gerardot, A. I. Tartakovskii. Van der Waals materials for applications in nanophotonics, Laser and Photonics Rev. 17, 2200957 (2023) (Numerical data kindly provided by Panaiot Zotev)


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Zirconium diselenide, ZrSe2

Zirconium diselenide (ZrSe2) is a layered transition metal dichalcogenide known for its unique electronic and optical properties. This material crystallizes in a hexagonal structure, similar to other dichalcogenides, and is recognized for its semiconducting behavior. ZrSe2 exhibits an indirect bandgap, which is a point of interest for its applications in electronic and optoelectronic devices. The ability to exfoliate ZrSe2 into thin films or monolayers opens up possibilities in the realm of two-dimensional material science, potentially paving the way for innovations in flexible and transparent electronic devices. Besides its electronic properties, ZrSe2 is also notable for its thermal and mechanical stability. The exploration of its optical properties, particularly the refractive index, is essential for the development of optical components such as waveguides and photodetectors, where precise control of light-matter interactions is crucial. As research in ZrSe2 advances, detailed knowledge of its refractive index across different wavelengths will be invaluable for both fundamental research and practical technological applications.

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