Refractive index database

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Optical constants of ZnTe (Zinc telluride)
Sato and Adachi 1993: n,k 0.221–0.827 µm

Wavelength: µm

Complex refractive index (n+ik)[ i ]

n   k   LogX   LogY   eV

Derived optical constants


Fit of author's experimental data to a simplified model of the interband transitions (MDF). Room Temperature.


K. Sato and S. Adachi. Optical properties of ZnTe, J. Appl. Phys. 73, 926-931 (1993)
[Calculation script (Python)]


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Zinc telluride, ZnTe

Zinc telluride (ZnTe) is a binary II-VI semiconductor compound with a direct bandgap that makes it attractive for several optoelectronic applications. It has a cubic crystal structure and is known for its photoluminescent properties. ZnTe is particularly important in the development of semiconductor devices for terahertz frequencies. It is also utilized as a buffer layer in some solar cell configurations, especially in tandem with cadmium telluride (CdTe). Moreover, its ability to form alloyed compounds with other II-VI semiconductors, like CdTe, allows for the tuning of optical properties for specific applications. The compound is also studied for potential use in blue and green light-emitting diodes and laser diodes.

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