Ce (Cerium)

Metals and conductors

1 dataset, together covering 0.001032–0.2066 µm. Default: Fernández-Perea et al. 2008: n,k 0.00103–0.207 µm.

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

Datasets

Fernández-Perea et al. 2008: n,k 0.00103–0.207 µm n,k 0.001032–0.2066 µm default

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# Ce (Cerium): Fernández-Perea et al. 2008: n,k 0.00103–0.207 µm
ce = ls.fetch_refractiveindex("main", "Ce", "Fernandez-Perea", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(ce.range_nm)  # (1.03238, 206.639) nm
eps = ce.eps([14.6])  # 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_a1b7fad0f41b/lightsmith"
ce = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(ce.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (ce/fernandez-perea-2008).

# ... load ce as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=ce)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=2, stop_nm=206, 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 Ce (Cerium)

Cerium (Ce) is a soft, ductile, and silvery-white metal that is the most abundant of the rare-earth elements. It typically exists in two oxidation states: Ce³⁺ and Ce⁴⁺, making it a powerful reducing agent and an interesting component in various optical, catalytic, and electronic applications. In particular, cerium oxide (CeO₂) finds use in catalytic converters, solid oxide fuel cells, and chemical mechanical planarization processes due to its ability to switch between the two oxidation states. Cerium-doped materials are also of considerable interest in the fields of luminescence and scintillation, where they serve as dopants in phosphors and scintillator crystals. Methods for obtaining high-purity cerium include solvent extraction and ion-exchange techniques. While cerium is not as toxic as other heavy metals, proper handling and disposal methods are still advised. Ongoing research aims to exploit cerium's unique redox behavior and electron structure for new applications in environmental remediation, energy storage, and advanced manufacturing.

Other names: Cerium

API: /v1/materials/mat_4c23f6874ffd · slug ce