Optical constants

Refractive index of Sc₂O₃ (Scandium sesquioxide)

Belosludtsev et al. 2018: n,k 0.270–1.200 µm

Data: tabulated nk
Range: 0.23–1.2 µm
Points: 486
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 1.99841
Extinction coefficient k: 1.96200e-05

Permittivity ε₁: 3.99365
Permittivity ε₂: 7.84177e-05

Absorption coefficient α: 4.19592 cm⁻¹
Penetration depth δ = λ/(2πk): 4.76654e+06 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.13 µm⁻¹

Group index n_g: 2.0748
Group velocity dispersion: — fs²/mm

Dispersion parameter D: — ps/(nm·km)
Photon energy: 2.11001 eV

ε = (n + ik)², α = 4πk/λ, n_g = n − λ dn/dλ, GVD = λ³/(2πc²) d²n/dλ², D = −(λ/c) d²n/dλ². Group-velocity dispersion is given for formula data only.

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# Sc2O3 (Scandium sesquioxide): Belosludtsev et al. 2018: n,k 0.270–1.200 µm
sc2o3 = ls.fetch_refractiveindex("main", "Sc2O3", "Belosludtsev", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(sc2o3.range_nm)  # (230, 1200) nm
eps = sc2o3.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_fea841a8c5fe/lightsmith"
sc2o3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(sc2o3.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (sc2o3/belosludtsev-2018).

# ... load sc2o3 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=sc2o3)],
    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.

Comments and conditions

Stoichiometric 270±5 nm film on SiO₂ substrate.

Conditions

film thickness: 270e-9
substrate: SiO2

References

A. Belosludtsev, K. Juškevičius, L. Ceizaris, R. Samuilovas, S. Stanionytė, V. Jasulaitienė, S. Kičas. Correlation between stoichiometry and properties of scandium oxide films prepared by reactive magnetron sputtering. Appl. Surf. Sci. 427, 312-318 (2018) (Numerical data kindly provided by Alexandr Belosludtsev)

doi:10.1016/j.apsusc.2017.08.068 Correlation between stoichiometry and properties of scandium oxide films prepared by reactive magnetron sputtering, Applied Surface Science (2018)

Cite

Alexandr Belosludtsev et al.. Correlation between stoichiometry and properties of scandium oxide films prepared by reactive magnetron sputtering. Applied Surface Science, 427, 312-318 (2018), doi:10.1016/j.apsusc.2017.08.068; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

486 rows as published

CSV comma separated TXT tab separated YAML n, k Full database record original YAML All quantities CSV JSON metadata

Sc2O3 (Scandium sesquioxide), Belosludtsev et al. 2018: n,k 0.270–1.200 µm: n and k versus wavelength
λ (µm)	n	k
0.23	2.35	0.00566
0.232	2.35	0.00548
0.234	2.34271	0.00531
0.236	2.33303	0.00514
0.238	2.32371	0.00498
0.24	2.31472	0.00483
0.242	2.30605	0.00468
0.244	2.29768	0.00453
0.246	2.28961	0.00439
0.248	2.28182	0.00425
0.25	2.2743	0.00412
0.252	2.26703	0.00399
0.254	2.26001	0.00387
0.256	2.25322	0.00375
0.258	2.24666	0.00363
0.26	2.24031	0.00352
0.262	2.23416	0.00341
0.264	2.22822	0.0033
0.266	2.22246	0.0032
0.268	2.21689	0.0031
0.27	2.21149	0.003
0.272	2.20626	0.00291
0.274	2.20118	0.00282
0.276	2.19627	0.00273
0.278	2.1915	0.00264
0.28	2.18687	0.00256
0.282	2.18238	0.00248
0.284	2.17803	0.0024
0.286	2.1738	0.00233
0.288	2.16969	0.00226
0.29	2.1657	0.00219
0.292	2.16183	0.00212
0.294	2.15806	0.00205
0.296	2.1544	0.00199
0.298	2.15084	0.00193
0.3	2.14738	0.00187
0.302	2.14401	0.00181
0.304	2.14074	0.00175
0.306	2.13755	0.0017
0.308	2.13445	0.00164
0.31	2.13143	0.00159
0.312	2.12848	0.00154
0.314	2.12562	0.00149
0.316	2.12283	0.00145
0.318	2.12011	0.0014
0.32	2.11746	0.00136
0.322	2.11488	0.00132
0.324	2.11236	0.00128
0.326	2.1099	0.00124
0.328	2.10751	0.0012
0.33	2.10517	0.00116
0.332	2.10289	0.00112
0.334	2.10066	0.00109
0.336	2.09849	0.00105
0.338	2.09637	0.00102
0.34	2.0943	0.00099
0.342	2.09228	0.000959
0.344	2.0903	0.000929
0.346	2.08838	0.0009
0.348	2.08649	0.000872
0.35	2.08465	0.000845
0.352	2.08285	0.000819
0.354	2.08109	0.000793
0.356	2.07937	0.000768
0.358	2.07768	0.000744
0.36	2.07604	0.000721
0.362	2.07443	0.000699
0.364	2.07285	0.000677
0.366	2.07131	0.000656
0.368	2.0698	0.000635
0.37	2.06833	0.000616
0.372	2.06688	0.000596
0.374	2.06547	0.000578
0.376	2.06408	0.00056
0.378	2.06273	0.000542
0.38	2.0614	0.000525
0.382	2.0601	0.000509
0.384	2.05882	0.000493
0.386	2.05757	0.000478
0.388	2.05635	0.000463
0.39	2.05515	0.000448
0.392	2.05397	0.000434
0.394	2.05282	0.000421
0.396	2.05169	0.000408
0.398	2.05058	0.000395
0.4	2.04949	0.000383
0.402	2.04842	0.000371
0.404	2.04738	0.000359
0.406	2.04635	0.000348
0.408	2.04534	0.000337
0.41	2.04435	0.000327
0.412	2.04338	0.000316
0.414	2.04243	0.000307
0.416	2.04149	0.000297
0.418	2.04058	0.000288
0.42	2.03968	0.000279
0.422	2.03879	0.00027
0.424	2.03792	0.000262
0.426	2.03707	0.000253
0.428	2.03623	0.000246
0.43	2.03541	0.000238
0.432	2.0346	0.00023
0.434	2.0338	0.000223
0.436	2.03302	0.000216
0.438	2.03225	0.00021
0.44	2.0315	0.000203
0.442	2.03076	0.000197
0.444	2.03003	0.000191
0.446	2.02931	0.000185
0.448	2.0286	0.000179
0.45	2.02791	0.000173
0.452	2.02723	0.000168
0.454	2.02656	0.000163
0.456	2.0259	0.000158
0.458	2.02525	0.000153
0.46	2.02461	0.000148
0.462	2.02398	0.000143
0.464	2.02336	0.000139
0.466	2.02275	0.000135
0.468	2.02216	0.00013
0.47	2.02157	0.000126
0.472	2.02099	0.000122
0.474	2.02041	0.000118
0.476	2.01985	0.000115
0.478	2.0193	0.000111
0.48	2.01875	0.000108
0.482	2.01822	0.000104
0.484	2.01769	0.000101
0.486	2.01717	9.8e-05
0.488	2.01666	9.49e-05
0.49	2.01615	9.2e-05
0.492	2.01565	8.91e-05
0.494	2.01516	8.63e-05
0.496	2.01468	8.36e-05
0.498	2.0142	8.1e-05
0.5	2.01374	7.85e-05
0.502	2.01327	7.6e-05
0.504	2.01282	7.37e-05
0.506	2.01237	7.14e-05
0.508	2.01193	6.91e-05
0.51	2.01149	6.7e-05
0.512	2.01106	6.49e-05
0.514	2.01064	6.29e-05
0.516	2.01022	6.09e-05
0.518	2.00981	5.9e-05
0.52	2.0094	5.72e-05
0.522	2.009	5.54e-05
0.524	2.0086	5.37e-05
0.526	2.00821	5.2e-05
0.528	2.00783	5.04e-05
0.53	2.00745	4.88e-05
0.532	2.00708	4.73e-05
0.534	2.00671	4.58e-05
0.536	2.00634	4.44e-05
0.538	2.00598	4.3e-05
0.54	2.00563	4.16e-05
0.542	2.00528	4.04e-05
0.544	2.00493	3.91e-05
0.546	2.00459	3.79e-05
0.548	2.00426	3.67e-05
0.55	2.00393	3.55e-05
0.552	2.0036	3.44e-05
0.554	2.00327	3.34e-05
0.556	2.00296	3.23e-05
0.558	2.00264	3.13e-05
0.56	2.00233	3.03e-05
0.562	2.00202	2.94e-05
0.564	2.00172	2.85e-05
0.566	2.00142	2.76e-05
0.568	2.00112	2.67e-05
0.57	2.00083	2.59e-05
0.572	2.00054	2.51e-05
0.574	2.00026	2.43e-05
0.576	1.99998	2.35e-05
0.578	1.9997	2.28e-05
0.58	1.99942	2.21e-05
0.582	1.99915	2.14e-05
0.584	1.99888	2.07e-05
0.586	1.99862	2.01e-05
0.588	1.99836	1.95e-05
0.59	1.9981	1.89e-05
0.592	1.99784	1.83e-05
0.594	1.99759	1.77e-05
0.596	1.99734	1.72e-05
0.598	1.99709	1.66e-05
0.6	1.99685	1.61e-05
0.602	1.99661	1.56e-05
0.604	1.99637	1.51e-05
0.606	1.99614	1.46e-05
0.608	1.9959	1.42e-05
0.61	1.99567	1.37e-05
0.612	1.99544	1.33e-05
0.614	1.99522	1.29e-05
0.616	1.995	1.25e-05
0.618	1.99478	1.21e-05
0.62	1.99456	1.17e-05
0.622	1.99435	1.14e-05
0.624	1.99413	1.1e-05
0.626	1.99392	1.07e-05
0.628	1.99371	1.03e-05
0.63	1.99351	1e-05
0.632	1.99331	9.7e-06
0.634	1.9931	9.39e-06
0.636	1.99291	9.1e-06
0.638	1.99271	8.82e-06
0.64	1.99252	8.54e-06
0.642	1.99232	8.28e-06
0.644	1.99213	8.02e-06
0.646	1.99194	7.77e-06
0.648	1.99176	7.53e-06
0.65	1.99157	7.29e-06
0.652	1.99139	7.06e-06
0.654	1.99121	6.84e-06
0.656	1.99103	6.63e-06
0.658	1.99085	6.42e-06
0.66	1.99068	6.22e-06
0.662	1.99051	6.03e-06
0.664	1.99034	5.84e-06
0.666	1.99017	5.66e-06
0.668	1.99	5.48e-06
0.67	1.98983	5.31e-06
0.672	1.98967	5.15e-06
0.674	1.9895	4.99e-06
0.676	1.98934	4.83e-06
0.678	1.98918	4.68e-06
0.68	1.98903	4.53e-06
0.682	1.98887	4.39e-06
0.684	1.98871	4.25e-06
0.686	1.98856	4.12e-06
0.688	1.98841	3.99e-06
0.69	1.98826	3.87e-06
0.692	1.98811	3.75e-06
0.694	1.98796	3.63e-06
0.696	1.98782	3.52e-06
0.698	1.98767	3.41e-06
0.7	1.98753	3.3e-06
0.702	1.98739	3.2e-06
0.704	1.98725	3.1e-06
0.706	1.98711	3e-06
0.708	1.98697	2.91e-06
0.71	1.98683	2.82e-06
0.712	1.9867	2.73e-06
0.714	1.98657	2.65e-06
0.716	1.98643	2.56e-06
0.718	1.9863	2.48e-06
0.72	1.98617	2.41e-06
0.722	1.98604	2.33e-06
0.724	1.98592	2.26e-06
0.726	1.98579	2.19e-06
0.728	1.98566	2.12e-06
0.73	1.98554	2.05e-06
0.732	1.98542	1.99e-06
0.734	1.9853	1.93e-06
0.736	1.98517	1.87e-06
0.738	1.98506	1.81e-06
0.74	1.98494	1.75e-06
0.742	1.98482	1.7e-06
0.744	1.9847	1.64e-06
0.746	1.98459	1.59e-06
0.748	1.98447	1.54e-06
0.75	1.98436	1.5e-06
0.752	1.98425	1.45e-06
0.754	1.98414	1.4e-06
0.756	1.98403	1.36e-06
0.758	1.98392	1.32e-06
0.76	1.98381	1.28e-06
0.762	1.9837	1.24e-06
0.764	1.9836	1.2e-06
0.766	1.98349	1.16e-06
0.768	1.98339	1.12e-06
0.77	1.98328	1.09e-06
0.772	1.98318	1.06e-06
0.774	1.98308	1.02e-06
0.776	1.98297	9.91e-07
0.778	1.98287	9.6e-07
0.78	1.98278	9.3e-07
0.782	1.98268	9.01e-07
0.784	1.98258	8.73e-07
0.786	1.98248	8.45e-07
0.788	1.98239	8.19e-07
0.79	1.98229	7.94e-07
0.792	1.9822	7.69e-07
0.794	1.9821	7.45e-07
0.796	1.98201	7.22e-07
0.798	1.98192	6.99e-07
0.8	1.98183	6.77e-07
0.802	1.98174	6.56e-07
0.804	1.98165	6.36e-07
0.806	1.98156	6.16e-07
0.808	1.98147	5.97e-07
0.81	1.98138	5.78e-07
0.812	1.9813	5.6e-07
0.814	1.98121	5.43e-07
0.816	1.98112	5.26e-07
0.818	1.98104	5.09e-07
0.82	1.98096	4.93e-07
0.822	1.98087	4.78e-07
0.824	1.98079	4.63e-07
0.826	1.98071	4.49e-07
0.828	1.98063	4.35e-07
0.83	1.98055	4.21e-07
0.832	1.98046	4.08e-07
0.834	1.98039	3.95e-07
0.836	1.98031	3.83e-07
0.838	1.98023	3.71e-07
0.84	1.98015	3.59e-07
0.842	1.98007	3.48e-07
0.844	1.98	3.37e-07
0.846	1.97992	3.27e-07
0.848	1.97985	3.17e-07
0.85	1.97977	3.07e-07
0.852	1.9797	2.97e-07
0.854	1.97962	2.88e-07
0.856	1.97955	2.79e-07
0.858	1.97948	2.7e-07
0.86	1.97941	2.62e-07
0.862	1.97934	2.54e-07
0.864	1.97926	2.46e-07
0.866	1.97919	2.38e-07
0.868	1.97912	2.31e-07
0.87	1.97906	2.23e-07
0.872	1.97899	2.17e-07
0.874	1.97892	2.1e-07
0.876	1.97885	2.03e-07
0.878	1.97878	1.97e-07
0.88	1.97872	1.91e-07
0.882	1.97865	1.85e-07
0.884	1.97859	1.79e-07
0.886	1.97852	1.73e-07
0.888	1.97846	1.68e-07
0.89	1.97839	1.63e-07
0.892	1.97833	1.58e-07
0.894	1.97826	1.53e-07
0.896	1.9782	1.48e-07
0.898	1.97814	1.43e-07
0.9	1.97808	1.39e-07
0.902	1.97802	1.35e-07
0.904	1.97795	1.3e-07
0.906	1.97789	1.26e-07
0.908	1.97783	1.22e-07
0.91	1.97777	1.19e-07
0.912	1.97771	1.15e-07
0.914	1.97766	1.11e-07
0.916	1.9776	1.08e-07
0.918	1.97754	1.04e-07
0.92	1.97748	1.01e-07
0.922	1.97742	9.8e-08
0.924	1.97737	9.5e-08
0.926	1.97731	9.2e-08
0.928	1.97726	8.91e-08
0.93	1.9772	8.64e-08
0.932	1.97714	8.37e-08
0.934	1.97709	8.11e-08
0.936	1.97704	7.85e-08
0.938	1.97698	7.61e-08
0.94	1.97693	7.37e-08
0.942	1.97687	7.14e-08
0.944	1.97682	6.92e-08
0.946	1.97677	6.7e-08
0.948	1.97672	6.49e-08
0.95	1.97666	6.29e-08
0.952	1.97661	6.1e-08
0.954	1.97656	5.9e-08
0.956	1.97651	5.72e-08
0.958	1.97646	5.54e-08
0.96	1.97641	5.37e-08
0.962	1.97636	5.2e-08
0.964	1.97631	5.04e-08
0.966	1.97626	4.88e-08
0.968	1.97621	4.73e-08
0.97	1.97616	4.58e-08
0.972	1.97612	4.44e-08
0.974	1.97607	4.3e-08
0.976	1.97602	4.17e-08
0.978	1.97597	4.04e-08
0.98	1.97592	3.91e-08
0.982	1.97588	3.79e-08
0.984	1.97583	3.67e-08
0.986	1.97579	3.56e-08
0.988	1.97574	3.45e-08
0.99	1.9757	3.34e-08
0.992	1.97565	3.23e-08
0.994	1.97561	3.13e-08
0.996	1.97556	3.04e-08
0.998	1.97552	2.94e-08
1.0	1.97547	2.85e-08
1.002	1.97543	2.76e-08
1.004	1.97538	2.67e-08
1.006	1.97534	2.59e-08
1.008	1.9753	2.51e-08
1.01	1.97526	2.43e-08
1.012	1.97521	2.36e-08
1.014	1.97517	2.28e-08
1.016	1.97513	2.21e-08
1.018	1.97509	2.14e-08
1.02	1.97505	2.08e-08
1.022	1.97501	2.01e-08
1.024	1.97497	1.95e-08
1.026	1.97493	1.89e-08
1.028	1.97489	1.83e-08
1.03	1.97485	1.77e-08
1.032	1.9748	1.72e-08
1.034	1.97477	1.66e-08
1.036	1.97473	1.61e-08
1.038	1.97469	1.56e-08
1.04	1.97465	1.51e-08
1.042	1.97461	1.46e-08
1.044	1.97457	1.42e-08
1.046	1.97453	1.37e-08
1.048	1.9745	1.33e-08
1.05	1.97446	1.29e-08
1.052	1.97442	1.25e-08
1.054	1.97438	1.21e-08
1.056	1.97435	1.17e-08
1.058	1.97431	1.14e-08
1.06	1.97427	1.1e-08
1.062	1.97424	1.07e-08
1.064	1.9742	1.03e-08
1.066	1.97417	1e-08
1.068	1.97413	9.7e-09
1.07	1.97409	9.4e-09
1.072	1.97406	9.1e-09
1.074	1.97402	8.8e-09
1.076	1.97399	8.5e-09
1.078	1.97395	8.3e-09
1.08	1.97392	8e-09
1.082	1.97389	7.8e-09
1.084	1.97385	7.5e-09
1.086	1.97382	7.3e-09
1.088	1.97378	7.1e-09
1.09	1.97375	6.8e-09
1.092	1.97372	6.6e-09
1.094	1.97369	6.4e-09
1.096	1.97365	6.2e-09
1.098	1.97362	6e-09
1.1	1.97359	5.8e-09
1.102	1.97356	5.7e-09
1.104	1.97352	5.5e-09
1.106	1.97349	5.3e-09
1.108	1.97346	5.1e-09
1.11	1.97343	5e-09
1.112	1.9734	4.8e-09
1.114	1.97337	4.7e-09
1.116	1.97334	4.5e-09
1.118	1.9733	4.4e-09
1.12	1.97327	4.3e-09
1.122	1.97324	4.1e-09
1.124	1.97321	4e-09
1.126	1.97318	3.9e-09
1.128	1.97315	3.8e-09
1.13	1.97312	3.6e-09
1.132	1.97309	3.5e-09
1.134	1.97306	3.4e-09
1.136	1.97304	3.3e-09
1.138	1.97301	3.2e-09
1.14	1.97298	3.1e-09
1.142	1.97295	3e-09
1.144	1.97292	2.9e-09
1.146	1.97289	2.8e-09
1.148	1.97286	2.7e-09
1.15	1.97283	2.6e-09
1.152	1.97281	2.6e-09
1.154	1.97278	2.5e-09
1.156	1.97275	2.4e-09
1.158	1.97272	2.3e-09
1.16	1.9727	2.3e-09
1.162	1.97267	2.2e-09
1.164	1.97264	2.1e-09
1.166	1.97262	2.1e-09
1.168	1.97259	2e-09
1.17	1.97256	1.9e-09
1.172	1.97253	1.9e-09
1.174	1.97251	1.8e-09
1.176	1.97248	1.8e-09
1.178	1.97246	1.7e-09
1.18	1.97243	1.6e-09
1.182	1.97241	1.6e-09
1.184	1.97238	1.5e-09
1.186	1.97235	1.5e-09
1.188	1.97233	1.4e-09
1.19	1.9723	1.4e-09
1.192	1.97228	1.4e-09
1.194	1.97225	1.3e-09
1.196	1.97223	1.3e-09
1.198	1.9722	1.2e-09
1.2	1.97218	1.2e-09

Optical transmission calculator

Free-standing sample in vacuum, normal incidence

Transmittance T: —
Reflectance R: —

Fresnel reflection calculator

R_p: —
R_s: —
R = (R_p+R_s)/2: —
Phase φ_p: —
Phase φ_s: —
Brewster angle θ_B: —
Critical angle θ_C: —

Sc₂O₃ (Scandium sesquioxide): all datasets

About Sc2O3 (Scandium sesquioxide)

Scandium sesquioxide (Sc₂O₃) is a white solid compound that is classified as a rare earth oxide. It exhibits a high melting point and stability under various conditions. Scandium sesquioxide is transparent to infrared light, making it useful for certain optical applications. In the world of research, Sc₂O₃ is used as a starting material for the synthesis of scandium-containing compounds and is often employed as a dopant in various materials to improve their luminescent properties. Additionally, due to its relatively high dielectric constant and good thermal conductivity, scandium sesquioxide has been investigated for potential applications in electronics. Overall, while its use is niche, it remains an important compound in both the optical and electronic materials domains.

More about Sc2O3 (Scandium sesquioxide) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/Sc2O3/nk/Belosludtsev.yml
ID: ds_fea841a8c5fe
API: /v1/datasets/ds_fea841a8c5fe

Plot