BaTiO₃ (Barium titanate)

Semiconductors and photonic platforms integrated-photonicsanisotropic

8 datasets, together covering 0.3–1 µm. Default: Wemple et al. 1968: n(o) 0.4–0.7 µm.

Compare datasets

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

Datasets

Bulk

Thin film

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# BaTiO3 (Barium titanate): Wemple et al. 1968: n(o) 0.4–0.7 µm
batio3 = ls.fetch_refractiveindex("main", "BaTiO3", "Wemple-o", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(batio3.range_nm)  # (400, 700) nm
eps = batio3.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_991f92b22f2b/lightsmith"
batio3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(batio3.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (batio3/wemple-1968-o).

# ... load batio3 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=batio3)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=400, stop_nm=700, 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_991f92b22f2b/lightsmith?model=drude_lorentz"
batio3_dl = ls.DrudeLorentz.model_validate(json.load(urllib.request.urlopen(url)))

A dispersive Drude–Lorentz model for time-domain solvers.

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 BaTiO3 (Barium titanate)

BaTiO₃, or barium titanate, is a ferroelectric crystal with a perovskite structure that is highly prized for its dielectric and piezoelectric properties. In the realm of optics, this material is particularly important for its electro-optic and nonlinear optical capabilities. It exhibits a high refractive index, and its electro-optic coefficients are among the highest of the known crystals, making it well-suited for applications such as optical modulators and beam deflectors. In addition to its electro-optic uses, BaTiO₃ is employed in the fabrication of photonic devices like waveguides and resonators. Its ferroelectric nature also enables applications in data storage and other memory devices. BaTiO₃ can be grown using various techniques such as the Bridgman or Czochralski methods and can be doped with different elements to fine-tune its properties. While it is a robust and versatile material, it is sensitive to defects and impurities, which can impact its optical performance. Overall, BaTiO₃ is a multifunctional material with a wide range of applications in both the electronic and optical domains, making it a subject of continued research and technological development.

Other names: Barium titanate

Barium titanate - Wikipedia

API: /v1/materials/mat_0d54fbfe3e0f · slug batio3