Refractive index database

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Optical constants of NiPS3 ( Nickel phosphorus trisulfide)
Zotev et al. 2023: n,k 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. Isotropic. 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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Nickel phosphorus trisulfide, NiPS3

Nickel phosphorus trisulfide (NiPS3) is a member of the transition metal phosphorus trisulfides, a group of layered materials with interesting magnetic and electronic properties. NiPS3 is known for its antiferromagnetic order at low temperatures, which is a subject of significant interest in the field of spintronics and magnetic memory devices. Structurally, it belongs to the category of van der Waals materials, which allows for exfoliation into thin layers or flakes, offering opportunities for exploring two-dimensional material physics. In terms of electronic properties, NiPS3 exhibits semiconducting behavior with an indirect bandgap, making it a potential candidate for applications in electronics and optoelectronics. The study of its optical properties, including the refractive index, is key to understanding and exploiting its interaction with light. Knowledge of the refractive index of NiPS3 across various wavelengths is essential for the design and fabrication of optoelectronic devices, where precise manipulation of light is required. Ongoing research into the optical characteristics of NiPS3 is critical for unlocking its full potential in technological applications.

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