Si3N4, SiN (Silicon nitride)
Semiconductors and photonic platforms integrated-photonics
7 datasets, together covering 0.207–14.29 µm. Default: Philipp 1973: n 0.207–1.24 µm.
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Datasets
Si3N4 films (stoichiometric)
Non-stoichiometric SiN films
Use it in Lightsmith
Load this data in Python, simulate in one more line
pip install lightsmith
import lightsmith as ls
# Si3N4, SiN (Silicon nitride): Philipp 1973: n 0.207–1.24 µm
si3n4_sin = ls.fetch_refractiveindex("main", "Si3N4", "Philipp", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(si3n4_sin.range_nm) # (207, 1240) nm
eps = si3n4_sin.eps([633]) # complex permittivityDownloads 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_563751db546b/lightsmith"
si3n4_sin = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(si3n4_sin.source) # citation and provenance travel with the dataAny dataset here, as the library's Tabulated material (si3n4/philipp-1973).
# ... load si3n4_sin as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=si3n4_sin)],
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 wavelengthSame 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_563751db546b/lightsmith?model=drude_lorentz"
si3n4_sin_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 Si3N4, SiN (Silicon nitride)
Silicon nitride (Si3N4) is a synthetic, high-performance ceramic material known for its impressive mechanical properties even at elevated temperatures. It exhibits excellent thermal shock resistance, and its hardness makes it resistant to wear and abrasion. In the realm of electronics, it's utilized as an insulator and as a dielectric for advanced microelectronics applications due to its electrical properties. Owing to its resistance to oxidation and chemical corrosion, it's also used in challenging environments, such as in the manufacturing of ball bearings, turbine blades, and other engine components. Additionally, in the optical domain, silicon nitride is transparent in the infrared range and has been studied for potential uses in optoelectronic devices. Its combination of strength, temperature resistance, and electrical properties make it a sought-after material for various high-tech applications.
Other names: Si3N4,SiN, Silicon nitride, SiN, SiNx, silicon nitride
API: /v1/materials/mat_9b6acbeec2d3 · slug si3n4