Refractive index database

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Optical constants of MoTe2 (Molybdenum ditelluride)
Beal and Huges 1979: n,k 0.069–1.22 µm

Wavelength: µm

Complex refractive index (n+ik)[ i ]

n   k   LogX   LogY   eV

Derived optical constants


A. R. Beal and H. P. Huges. Kramers-Kronig analysis of the reflectivity spectra of 2H-MoS2, 2H-MoSe2, and 2H-MoTe2, J. Phys. C 12, 881 (1979)


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Molybdenum ditelluride, MoTe2

Molybdenum ditelluride (MoTe2) is a member of the transition metal dichalcogenides (TMDs) family, characterized by its layered structure. Each layer comprises a plane of molybdenum atoms situated between two planes of tellurium atoms. These layers are bound by weak van der Waals forces, enabling easy exfoliation into individual layers or few-layered structures. Like other TMDs, MoTe2 undergoes a change in electronic properties when thinned down to a monolayer; it transitions from an indirect to a direct bandgap semiconductor. Due to this unique property and its high electron mobility, MoTe2 is a material of significant interest in nanoelectronics, optoelectronics, and for potential applications in field-effect transistors, photodetectors, and other advanced electronic devices.

Other names

  • Bis(tellanylidene)molybdenum
  • molybdenum(IV) telluride
  • molybdenum telluride

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