Refractive index database

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Optical constants of ReS2 (Rhenium disulfide)
Munkhbat et al. 2022: multilayer flakes; n(β),k(β) 0.30–1.69 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 flakes. nβ, kβ. Room temperature.


B. Munkhbat, P. Wrobel, T. J. Antosiewicz, T. O. Shegai. Optical constants of several multilayer transition metal dichalcogenides spectroscopic ellipsometry in the 300–1700 nm range: High index, anisotropy, and hyperbolicity, ACS Photonics 9, 2398–2407 (2022) (Numerical data kindly provided by Tomasz Antosiewicz)


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Rhenium disulfide, ReSe2

Rhenium disulfide (ReSe2) is a layered transition metal dichalcogenide with unique electronic and optical properties. Unlike other members of the transition metal dichalcogenide family, ReSe2 possesses a distorted 1T structure, which gives rise to its distinctive anisotropic properties. It is known for its strong in-plane anisotropy, both in its electronic and optical behaviors, making it intriguing for potential applications in electronics and optoelectronics. This material can be exfoliated into ultrathin layers, similar to graphene, allowing for investigations and applications in the realm of two-dimensional materials. ReSe2 has been studied for its potential use in field-effect transistors, photodetectors, and other nanoscale electronic and optoelectronic devices.

Other names

  • Rhenium(IV) sulfide
  • Bis(sulfanylidene)rhenium

External links