Refractive index database

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Optical constants of PdSe2 (Palladium diselenide)
Ermolaev et al. 2022: 4.5 nm film; n,k 0.200–10.0 µm

Wavelength: µm

Complex refractive index (n+ik)[ i ]

n   k   LogX   LogY   eV

Derived optical constants


Broadband optical constants of 4.5 nm PdSe2 thin film in the spectral range 200–10000 nm.


G. Ermolaev, K. Voronin, D.G. Baranov, V. Kravets, G. Tselikov, Y. Stebunov, D. Yakubovsky, S. Novikov, A. Vyshnevyy, A. Mazitov, I. Kruglov, S. Zhukov, R. Romanov, A. M. Markeev, A. Arsenin, K. S. Novoselov, A.N. Grigorenko, V. S. Volkov. Topological phase singularities in atomically thin high-refractive-index materials, Nat. Commun. 13, 2049 (2022) (Numerical data kindly provided by Georgy Ermolaev)


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Palladium diselenide, PdSe2

Palladium diselenide (PdSe2) is a layered transition metal dichalcogenide (TMD) that has recently gained attention in the realm of materials science. Its unique electronic and optical properties make it a candidate for various applications. In particular, PdSe2 has shown promise in photodetector devices due to its ability to absorb a broad range of light wavelengths. Additionally, its anisotropic structure enables the exploration of novel physical phenomena, which could be beneficial for future electronic and optoelectronic applications. Researchers continue to study PdSe2 to understand its full potential better and realize its integration into devices.


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