AlN-Al2O3 (Aluminium oxynitride, ALON)
Semiconductors and photonic platforms
4 datasets, together covering 0.24–5.6 µm. Default: Hartnett et al. 1998: 6.69 at.% N; n 0.24–5.6 µm.
Compare datasets
Tick datasets in the list to add them to the plot (up to 12).
Datasets
Use it in Lightsmith
Load this data in Python, simulate in one more line
pip install lightsmith
import lightsmith as ls
# AlN-Al2O3 (Aluminium oxynitride, ALON): Hartnett et al. 1998: 6.69 at.% N; n 0.24–5.6 µm
aln_al2o3 = ls.fetch_refractiveindex("other", "AlN-Al2O3", "Hartnett-6.69", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(aln_al2o3.range_nm) # (240, 5600) nm
eps = aln_al2o3.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_51e565cd21ef/lightsmith"
aln_al2o3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(aln_al2o3.source) # citation and provenance travel with the data
Any dataset here, as the library's Tabulated material (aln-al2o3/hartnett-1998-6-69).
# ... load aln_al2o3 as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=aln_al2o3)],
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"]).
import json, urllib.request
import lightsmith as ls
url = "https://materials.lightsmith.dev/v1/datasets/ds_51e565cd21ef/lightsmith?model=drude_lorentz"
aln_al2o3_dl = ls.DrudeLorentz.model_validate(json.load(urllib.request.urlopen(url)))
A dispersive Drude–Lorentz model for time-domain solvers.
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 AlN-Al2O3 (Aluminium oxynitride, ALON)
Other names: Aluminium oxynitride, ALON, Aluminium oxynitride, AlON, ALON
API: /v1/materials/mat_d514ef16ebd4 · slug aln-al2o3