MoTe₂ (Molybdenum ditelluride)

2D materials anisotropic

3 datasets, together covering 0.06911–1.69 µm. Default: Beal and Huges 1979: n,k 0.069–1.22 µm.

Compare datasets

Tick datasets in the list to add them to the plot (up to 12).

Datasets

Bulk

Beal and Huges 1979: n,k 0.069–1.22 µm n,k 0.06911–1.216 µm default

Multilayer flakes

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# MoTe2 (Molybdenum ditelluride): Beal and Huges 1979: n,k 0.069–1.22 µm
mote2 = ls.fetch_refractiveindex("main", "MoTe2", "Beal", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(mote2.range_nm)  # (69.11, 1216) nm
eps = mote2.eps([633])  # complex permittivity

Downloads the original record once (pinned to the imported snapshot) and caches it.

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_fc80d5446b4c/lightsmith"
mote2 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(mote2.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (mote2/beal-huges-1979).

# ... load mote2 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=mote2)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=400, stop_nm=1000, num=81),
)
res = ls.solve(sim)  # exact Mie for a sphere
print(res.q_ext)     # extinction efficiency at each wavelength

Same spec runs with DDA, FDTD, BEM or T-matrix: ls.compare(sim, ["mie", "dda"]).

Materials guide Open a sphere of it in Studio Quick start Ask the community

Lightsmith is open source (MIT): Mie, T-matrix, BEM, DDA, FDTD, RCWA, TMM, mode solvers and inverse design behind one spec, on CPU or GPU. GitHub.

About MoTe2 (Molybdenum ditelluride)

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: Molybdenum ditelluride, Bis(tellanylidene)molybdenum, molybdenum(IV) telluride, molybdenum telluride

API: /v1/materials/mat_6adfa5741aea · slug mote2