Optical constants

Refractive index of BiFeO3 (Bismuth ferrite, BFO)

Kumar et al. 2008: n 0.197–1.67 µm, k 0.197–0.576 µm

Data: tabulated nk
Range: 0.1971–1.669 µm
Points: 702
Temperature: 273 K
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 3.04391
Extinction coefficient k: 0

Permittivity ε₁: 9.2654
Permittivity ε₂: 0

Absorption coefficient α: 0 cm⁻¹
Penetration depth δ = λ/(2πk): — nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -2.10692 µm⁻¹

Group index n_g: 4.28194
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

# BiFeO3 (Bismuth ferrite, BFO): Kumar et al. 2008: n 0.197–1.67 µm, k 0.197–0.576 µm
bifeo3 = ls.fetch_refractiveindex("main", "BiFeO3", "Kumar", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(bifeo3.range_nm)  # (197.06, 1669.3) nm
eps = bifeo3.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_84955c6aac45/lightsmith"
bifeo3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(bifeo3.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (bifeo3/kumar-2008).

# ... load bifeo3 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=bifeo3)],
    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

25 nm BiFeO₃ film grown on (100)SrTiO₃ substrate.

Conditions

temperature: 273 K

References

A. Kumar, R. C. Rai, N. J. Podraza, S. Denev, M. Ramirez, Y.-H. Chu, L. W. Martin, J. Ihlefeld, T. Heeg, J. Schubert, D. G. Schlom, J. Orenstein, R. Ramesh, R. W. Collins, J. L. Musfeldt, V. Gopalan. Linear and nonlinear optical properties of BiFeO₃. Appl. Phys. Lett. 92, 121915 (2008) (Numerical data kindly provided by Ryan Haislmaier and Venkatraman Gopalan)

doi:10.1063/1.2901168 Linear and nonlinear optical properties of BiFeO3, Applied Physics Letters (2008)

Cite

Amit Kumar et al.. Linear and nonlinear optical properties of BiFeO3. Applied Physics Letters, 92, 121915 (2008), doi:10.1063/1.2901168; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

702 rows as published

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

BiFeO3 (Bismuth ferrite, BFO), Kumar et al. 2008: n 0.197–1.67 µm, k 0.197–0.576 µm: n and k versus wavelength
λ (µm)	n	k
0.19706	2.19739	1.55945
0.19864	2.20077	1.54738
0.20022	2.20337	1.53628
0.2018	2.20526	1.52618
0.20337	2.20654	1.51711
0.20495	2.20729	1.50909
0.20653	2.20761	1.50212
0.20811	2.20757	1.49622
0.20969	2.20726	1.49139
0.21127	2.20676	1.48762
0.21285	2.20615	1.48492
0.21443	2.20552	1.48326
0.21601	2.20492	1.48263
0.21759	2.20445	1.48302
0.21918	2.20416	1.4844
0.22076	2.20413	1.48675
0.22234	2.20443	1.49003
0.22392	2.20512	1.49422
0.22551	2.20626	1.49927
0.22709	2.20792	1.50514
0.22867	2.21014	1.51181
0.23026	2.21299	1.51921
0.23184	2.21652	1.5273
0.23342	2.22077	1.53603
0.23501	2.2258	1.54535
0.23659	2.23164	1.55519
0.23818	2.23834	1.56551
0.23976	2.24592	1.57623
0.24135	2.25444	1.58729
0.24294	2.2639	1.59864
0.24452	2.27435	1.61019
0.24611	2.28579	1.62188
0.24769	2.29825	1.63363
0.24928	2.31174	1.64538
0.25087	2.32626	1.65705
0.25245	2.34182	1.66856
0.25404	2.35842	1.67983
0.25563	2.37604	1.6908
0.25722	2.39468	1.70137
0.2588	2.41432	1.71148
0.26039	2.43492	1.72105
0.26198	2.45648	1.73
0.26357	2.47894	1.73825
0.26516	2.50226	1.74574
0.26674	2.52641	1.75239
0.26833	2.55132	1.75814
0.26992	2.57695	1.76292
0.27151	2.60321	1.76667
0.2731	2.63005	1.76933
0.27469	2.65739	1.77086
0.27628	2.68514	1.7712
0.27787	2.71323	1.77032
0.27946	2.74157	1.76818
0.28105	2.77006	1.76477
0.28264	2.7986	1.76006
0.28423	2.82711	1.75404
0.28582	2.85548	1.74672
0.28741	2.88361	1.7381
0.289	2.91142	1.7282
0.29059	2.93879	1.71704
0.29218	2.96565	1.70466
0.29377	2.9919	1.6911
0.29536	3.01744	1.6764
0.29695	3.04222	1.66064
0.29854	3.06614	1.64387
0.30013	3.08913	1.62616
0.30172	3.11115	1.60759
0.30331	3.13213	1.58823
0.3049	3.15203	1.56818
0.30649	3.17081	1.54752
0.30808	3.18844	1.52633
0.30968	3.20491	1.50471
0.31127	3.22018	1.48274
0.31286	3.23427	1.46051
0.31445	3.24716	1.43812
0.31604	3.25887	1.41563
0.31763	3.26942	1.39315
0.31922	3.27882	1.37074
0.32081	3.28709	1.34848
0.32241	3.29428	1.32645
0.324	3.30041	1.30471
0.32559	3.30552	1.28332
0.32718	3.30966	1.26235
0.32877	3.31287	1.24185
0.33036	3.31519	1.22188
0.33195	3.31669	1.20247
0.33355	3.31739	1.18367
0.33514	3.31737	1.16553
0.33673	3.31667	1.14807
0.33832	3.31535	1.13134
0.33991	3.31346	1.11535
0.3415	3.31106	1.10014
0.3431	3.3082	1.08573
0.34469	3.30494	1.07214
0.34628	3.30134	1.05939
0.34787	3.29746	1.0475
0.34946	3.29336	1.03647
0.35105	3.2891	1.02632
0.35264	3.28473	1.01706
0.35424	3.28033	1.0087
0.35583	3.27595	1.00123
0.35742	3.27167	0.99466
0.35901	3.26755	0.98898
0.3606	3.26367	0.98419
0.36219	3.26009	0.98028
0.36378	3.2569	0.97723
0.36538	3.25416	0.97502
0.36697	3.25197	0.97362
0.36856	3.25039	0.97301
0.37015	3.24953	0.97313
0.37174	3.24945	0.97394
0.37333	3.25024	0.97537
0.37492	3.25199	0.97736
0.37651	3.25478	0.97982
0.3781	3.25868	0.98265
0.37969	3.26377	0.98576
0.38129	3.27011	0.98901
0.38288	3.27776	0.99226
0.38447	3.28674	0.99538
0.38606	3.29708	0.9982
0.38765	3.30879	1.00054
0.38924	3.32186	1.00224
0.39083	3.33622	1.0031
0.39242	3.35181	1.00295
0.39401	3.36854	1.0016
0.3956	3.38627	0.99889
0.39719	3.40485	0.99466
0.39878	3.42409	0.98877
0.40037	3.44379	0.98112
0.40196	3.46372	0.97163
0.40355	3.48364	0.96026
0.40514	3.50331	0.94701
0.40673	3.52248	0.9319
0.40832	3.5409	0.91501
0.40991	3.55838	0.89645
0.4115	3.57469	0.87636
0.41309	3.58967	0.85491
0.41468	3.60318	0.83229
0.41627	3.61512	0.8087
0.41786	3.6254	0.78435
0.41945	3.63399	0.75945
0.42104	3.64088	0.73422
0.42263	3.6461	0.70884
0.42422	3.64969	0.68349
0.42581	3.65172	0.65835
0.4274	3.65227	0.63356
0.42899	3.65144	0.60925
0.43057	3.64934	0.58551
0.43216	3.64608	0.56244
0.43375	3.64176	0.54011
0.43534	3.63651	0.51857
0.43693	3.63041	0.49785
0.43852	3.62359	0.47798
0.44011	3.61614	0.45897
0.4417	3.60815	0.44083
0.44328	3.59971	0.42355
0.44487	3.59089	0.40711
0.44646	3.58177	0.39151
0.44805	3.57242	0.37672
0.44964	3.56289	0.36271
0.45122	3.55325	0.34946
0.45281	3.54354	0.33695
0.4544	3.5338	0.32514
0.45599	3.52408	0.314
0.45758	3.51442	0.30349
0.45916	3.50484	0.29361
0.46075	3.49538	0.2843
0.46234	3.48606	0.27553
0.46393	3.47692	0.26729
0.46551	3.46796	0.25953
0.4671	3.45922	0.25223
0.46869	3.45071	0.24535
0.47028	3.44245	0.23886
0.47186	3.43445	0.23273
0.47345	3.42672	0.22693
0.47504	3.41929	0.22142
0.47662	3.41215	0.21617
0.47821	3.40532	0.21114
0.4798	3.3988	0.2063
0.48138	3.39258	0.2016
0.48297	3.38667	0.19701
0.48456	3.38106	0.1925
0.48614	3.37574	0.18801
0.48773	3.37069	0.18352
0.48931	3.36589	0.17899
0.4909	3.36131	0.17439
0.49249	3.35693	0.16969
0.49407	3.35271	0.16485
0.49566	3.3486	0.15987
0.49724	3.34457	0.15472
0.49883	3.34058	0.14941
0.50042	3.33657	0.14393
0.502	3.33251	0.13829
0.50359	3.32835	0.13251
0.50517	3.32406	0.12662
0.50676	3.31961	0.12063
0.50834	3.31498	0.11459
0.50993	3.31014	0.10853
0.51151	3.30509	0.10249
0.5131	3.29982	0.0965
0.51468	3.29434	0.0906
0.51627	3.28865	0.08482
0.51785	3.28278	0.07919
0.51944	3.27672	0.07373
0.52102	3.27052	0.06848
0.52261	3.26419	0.06343
0.52419	3.25774	0.05862
0.52578	3.25122	0.05403
0.52736	3.24463	0.04969
0.52895	3.23799	0.04558
0.53053	3.23134	0.04171
0.53212	3.22468	0.03807
0.5337	3.21804	0.03467
0.53528	3.21143	0.03148
0.53687	3.20486	0.02851
0.53845	3.19834	0.02575
0.54004	3.19188	0.02318
0.54162	3.1855	0.0208
0.54321	3.1792	0.0186
0.54479	3.17299	0.01656
0.54637	3.16686	0.01469
0.54796	3.16083	0.01296
0.54954	3.15489	0.01138
0.55112	3.14906	0.00994
0.55271	3.14333	0.00862
0.55429	3.1377	0.00742
0.55587	3.13218	0.00633
0.55746	3.12676	0.00535
0.55904	3.12144	0.00446
0.56063	3.11623	0.00368
0.56221	3.11113	0.00298
0.56379	3.10613	0.00237
0.56537	3.10123	0.00184
0.56696	3.09644	0.00138
0.56854	3.09175	0.000994
0.57012	3.08717	0.000677
0.57171	3.08269	0.000424
0.57329	3.07833	0.000233
0.57487	3.07406	0.000101
0.57646	3.06992	2.39e-05
0.57804	3.06589	0.0
0.57962	3.06201	0.0
0.5812	3.05823	0.0
0.58279	3.05456	0.0
0.58437	3.05098	0.0
0.58595	3.04748	0.0
0.58753	3.04406	0.0
0.58912	3.04071	0.0
0.5907	3.03743	0.0
0.59228	3.03421	0.0
0.59386	3.03106	0.0
0.59545	3.02797	0.0
0.59703	3.02494	0.0
0.59861	3.02196	0.0
0.60019	3.01904	0.0
0.60178	3.01617	0.0
0.60336	3.01335	0.0
0.60494	3.01058	0.0
0.60652	3.00785	0.0
0.6081	3.00517	0.0
0.60969	3.00253	0.0
0.61127	2.99993	0.0
0.61285	2.99738	0.0
0.61443	2.99487	0.0
0.61601	2.99239	0.0
0.6176	2.98995	0.0
0.61918	2.98755	0.0
0.62076	2.98518	0.0
0.62234	2.98285	0.0
0.62392	2.98056	0.0
0.6255	2.97829	0.0
0.62709	2.97606	0.0
0.62867	2.97386	0.0
0.63025	2.97169	0.0
0.63183	2.96955	0.0
0.63341	2.96744	0.0
0.63499	2.96535	0.0
0.63658	2.9633	0.0
0.63816	2.96127	0.0
0.63974	2.95927	0.0
0.64132	2.9573	0.0
0.6429	2.95535	0.0
0.64448	2.95342	0.0
0.64606	2.95152	0.0
0.64765	2.94965	0.0
0.64923	2.9478	0.0
0.65081	2.94597	0.0
0.65239	2.94416	0.0
0.65397	2.94237	0.0
0.65555	2.94061	0.0
0.65713	2.93887	0.0
0.65871	2.93715	0.0
0.66029	2.93545	0.0
0.66188	2.93377	0.0
0.66346	2.9321	0.0
0.66504	2.93046	0.0
0.66662	2.92884	0.0
0.6682	2.92723	0.0
0.66978	2.92565	0.0
0.67136	2.92408	0.0
0.67294	2.92253	0.0
0.67452	2.921	0.0
0.6761	2.91948	0.0
0.67768	2.91798	0.0
0.67926	2.9165	0.0
0.68085	2.91503	0.0
0.68243	2.91358	0.0
0.68401	2.91214	0.0
0.68559	2.91072	0.0
0.68717	2.90931	0.0
0.68875	2.90793	0.0
0.69033	2.90655	0.0
0.69191	2.90519	0.0
0.69349	2.90384	0.0
0.69507	2.90251	0.0
0.69665	2.90119	0.0
0.69823	2.89988	0.0
0.69981	2.89859	0.0
0.70139	2.89731	0.0
0.70297	2.89604	0.0
0.70455	2.89478	0.0
0.70613	2.89354	0.0
0.70771	2.89231	0.0
0.70929	2.8911	0.0
0.71087	2.88989	0.0
0.71245	2.8887	0.0
0.71403	2.88751	0.0
0.71561	2.88634	0.0
0.71719	2.88518	0.0
0.71877	2.88403	0.0
0.72035	2.8829	0.0
0.72193	2.88177	0.0
0.72351	2.88065	0.0
0.72509	2.87955	0.0
0.72667	2.87845	0.0
0.72825	2.87736	0.0
0.72983	2.87629	0.0
0.73141	2.87522	0.0
0.73299	2.87417	0.0
0.73457	2.87312	0.0
0.73615	2.87209	0.0
0.73773	2.87106	0.0
0.73931	2.87004	0.0
0.74089	2.86903	0.0
0.74247	2.86803	0.0
0.74405	2.86704	0.0
0.74563	2.86606	0.0
0.74721	2.86508	0.0
0.74878	2.86412	0.0
0.75036	2.86316	0.0
0.75194	2.86221	0.0
0.75352	2.86127	0.0
0.7551	2.86034	0.0
0.75668	2.85942	0.0
0.75826	2.8585	0.0
0.75984	2.85759	0.0
0.76141	2.85669	0.0
0.76299	2.8558	0.0
0.76457	2.85492	0.0
0.76615	2.85404	0.0
0.76773	2.85317	0.0
0.76931	2.8523	0.0
0.77088	2.85145	0.0
0.77246	2.8506	0.0
0.77404	2.84976	0.0
0.77562	2.84892	0.0
0.7772	2.84809	0.0
0.77877	2.84727	0.0
0.78035	2.84646	0.0
0.78193	2.84565	0.0
0.7835	2.84485	0.0
0.78508	2.84405	0.0
0.78666	2.84327	0.0
0.78824	2.84248	0.0
0.78981	2.84171	0.0
0.79139	2.84094	0.0
0.79297	2.84017	0.0
0.79454	2.83941	0.0
0.79612	2.83866	0.0
0.7977	2.83792	0.0
0.79927	2.83718	0.0
0.80085	2.83644	0.0
0.80242	2.83571	0.0
0.804	2.83499	0.0
0.80558	2.83427	0.0
0.80715	2.83356	0.0
0.80873	2.83285	0.0
0.8103	2.83215	0.0
0.81188	2.83146	0.0
0.81345	2.83077	0.0
0.81503	2.83008	0.0
0.8166	2.8294	0.0
0.81818	2.82872	0.0
0.81975	2.82805	0.0
0.82133	2.82739	0.0
0.8229	2.82673	0.0
0.82447	2.82607	0.0
0.82605	2.82542	0.0
0.82762	2.82478	0.0
0.82919	2.82414	0.0
0.83077	2.8235	0.0
0.83234	2.82287	0.0
0.83391	2.82224	0.0
0.83549	2.82162	0.0
0.83706	2.821	0.0
0.83863	2.82039	0.0
0.8402	2.81978	0.0
0.84177	2.81918	0.0
0.84335	2.81858	0.0
0.84492	2.81798	0.0
0.84649	2.81739	0.0
0.84806	2.8168	0.0
0.84963	2.81622	0.0
0.8512	2.81564	0.0
0.85277	2.81506	0.0
0.85434	2.81449	0.0
0.85591	2.81393	0.0
0.85748	2.81336	0.0
0.85905	2.8128	0.0
0.86062	2.81225	0.0
0.86219	2.8117	0.0
0.86376	2.81115	0.0
0.86532	2.81061	0.0
0.86689	2.81007	0.0
0.86846	2.80953	0.0
0.87003	2.809	0.0
0.87159	2.80847	0.0
0.87316	2.80794	0.0
0.87473	2.80742	0.0
0.87629	2.8069	0.0
0.87786	2.80639	0.0
0.87943	2.80588	0.0
0.88099	2.80537	0.0
0.88256	2.80487	0.0
0.88412	2.80436	0.0
0.88568	2.80387	0.0
0.88725	2.80337	0.0
0.88881	2.80288	0.0
0.89038	2.80239	0.0
0.89194	2.80191	0.0
0.8935	2.80143	0.0
0.89506	2.80095	0.0
0.89662	2.80048	0.0
0.89819	2.80001	0.0
0.89975	2.79954	0.0
0.90131	2.79907	0.0
0.90287	2.79861	0.0
0.90443	2.79815	0.0
0.90599	2.79769	0.0
0.90755	2.79724	0.0
0.9091	2.79679	0.0
0.91066	2.79634	0.0
0.91222	2.79589	0.0
0.91378	2.79545	0.0
0.91534	2.79501	0.0
0.91689	2.79458	0.0
0.91845	2.79414	0.0
0.92	2.79371	0.0
0.92156	2.79329	0.0
0.92311	2.79286	0.0
0.92467	2.79244	0.0
0.92622	2.79202	0.0
0.92777	2.7916	0.0
0.92933	2.79119	0.0
0.93088	2.79078	0.0
0.93243	2.79037	0.0
0.93398	2.78996	0.0
0.93553	2.78956	0.0
0.93708	2.78915	0.0
0.93863	2.78875	0.0
0.94018	2.78836	0.0
0.94173	2.78796	0.0
0.94327	2.78757	0.0
0.94482	2.78718	0.0
0.94637	2.7868	0.0
0.94791	2.78641	0.0
0.94946	2.78603	0.0
0.951	2.78565	0.0
0.95255	2.78527	0.0
0.95409	2.7849	0.0
0.95563	2.78452	0.0
0.95718	2.78415	0.0
0.95872	2.78379	0.0
0.96026	2.78342	0.0
0.9618	2.78306	0.0
0.96334	2.78269	0.0
0.96488	2.78233	0.0
0.96641	2.78198	0.0
0.96795	2.78162	0.0
0.96949	2.78127	0.0
0.97102	2.78092	0.0
0.97256	2.78057	0.0
0.97409	2.78022	0.0
0.97563	2.77988	0.0
0.97716	2.77954	0.0
0.97869	2.7792	0.0
0.98022	2.77886	0.0
0.98175	2.77852	0.0
0.98328	2.77819	0.0
0.98481	2.77786	0.0
0.98634	2.77753	0.0
0.98787	2.7772	0.0
0.9894	2.77687	0.0
0.99092	2.77655	0.0
0.99245	2.77623	0.0
0.99397	2.7759	0.0
0.99549	2.77559	0.0
0.99701	2.77527	0.0
0.99854	2.77495	0.0
1.0001	2.77464	0.0
1.0123	2.77217	0.0
1.0158	2.7715	0.0
1.0192	2.77084	0.0
1.0226	2.77018	0.0
1.0261	2.76953	0.0
1.0295	2.7689	0.0
1.0329	2.76826	0.0
1.0363	2.76764	0.0
1.0398	2.76702	0.0
1.0432	2.76641	0.0
1.0466	2.7658	0.0
1.05	2.7652	0.0
1.0535	2.76461	0.0
1.0569	2.76403	0.0
1.0603	2.76345	0.0
1.0638	2.76288	0.0
1.0672	2.76231	0.0
1.0706	2.76175	0.0
1.074	2.7612	0.0
1.0775	2.76065	0.0
1.0809	2.76011	0.0
1.0843	2.75957	0.0
1.0877	2.75905	0.0
1.0912	2.75852	0.0
1.0946	2.758	0.0
1.098	2.75749	0.0
1.1015	2.75698	0.0
1.1049	2.75648	0.0
1.1083	2.75598	0.0
1.1117	2.75549	0.0
1.1152	2.755	0.0
1.1186	2.75452	0.0
1.122	2.75404	0.0
1.1254	2.75357	0.0
1.1289	2.7531	0.0
1.1323	2.75264	0.0
1.1357	2.75218	0.0
1.1392	2.75173	0.0
1.1426	2.75128	0.0
1.146	2.75083	0.0
1.1494	2.7504	0.0
1.1529	2.74996	0.0
1.1563	2.74953	0.0
1.1597	2.7491	0.0
1.1632	2.74868	0.0
1.1666	2.74826	0.0
1.17	2.74784	0.0
1.1734	2.74743	0.0
1.1769	2.74703	0.0
1.1803	2.74662	0.0
1.1837	2.74622	0.0
1.1872	2.74583	0.0
1.1906	2.74544	0.0
1.194	2.74505	0.0
1.1974	2.74467	0.0
1.2009	2.74429	0.0
1.2043	2.74391	0.0
1.2077	2.74354	0.0
1.2112	2.74317	0.0
1.2146	2.7428	0.0
1.218	2.74244	0.0
1.2215	2.74208	0.0
1.2249	2.74172	0.0
1.2283	2.74137	0.0
1.2317	2.74102	0.0
1.2352	2.74067	0.0
1.2386	2.74033	0.0
1.242	2.73999	0.0
1.2455	2.73965	0.0
1.2489	2.73931	0.0
1.2523	2.73898	0.0
1.2558	2.73866	0.0
1.2592	2.73833	0.0
1.2626	2.73801	0.0
1.2661	2.73769	0.0
1.2695	2.73737	0.0
1.2729	2.73706	0.0
1.2764	2.73674	0.0
1.2798	2.73644	0.0
1.2832	2.73613	0.0
1.2867	2.73583	0.0
1.2901	2.73553	0.0
1.2935	2.73523	0.0
1.297	2.73493	0.0
1.3004	2.73464	0.0
1.3038	2.73435	0.0
1.3073	2.73406	0.0
1.3107	2.73377	0.0
1.3141	2.73349	0.0
1.3176	2.73321	0.0
1.321	2.73293	0.0
1.3244	2.73265	0.0
1.3279	2.73238	0.0
1.3313	2.73211	0.0
1.3347	2.73184	0.0
1.3382	2.73157	0.0
1.3416	2.73131	0.0
1.345	2.73104	0.0
1.3485	2.73078	0.0
1.3519	2.73053	0.0
1.3554	2.73027	0.0
1.3588	2.73001	0.0
1.3622	2.72976	0.0
1.3657	2.72951	0.0
1.3691	2.72926	0.0
1.3725	2.72902	0.0
1.376	2.72877	0.0
1.3794	2.72853	0.0
1.3829	2.72829	0.0
1.3863	2.72805	0.0
1.3897	2.72782	0.0
1.3932	2.72758	0.0
1.3966	2.72735	0.0
1.4	2.72712	0.0
1.4035	2.72689	0.0
1.4069	2.72666	0.0
1.4104	2.72643	0.0
1.4138	2.72621	0.0
1.4172	2.72599	0.0
1.4207	2.72577	0.0
1.4241	2.72555	0.0
1.4276	2.72533	0.0
1.431	2.72511	0.0
1.4345	2.7249	0.0
1.4379	2.72469	0.0
1.4413	2.72448	0.0
1.4448	2.72427	0.0
1.4482	2.72406	0.0
1.4517	2.72386	0.0
1.4551	2.72365	0.0
1.4586	2.72345	0.0
1.462	2.72325	0.0
1.4654	2.72305	0.0
1.4689	2.72285	0.0
1.4723	2.72265	0.0
1.4758	2.72246	0.0
1.4792	2.72226	0.0
1.4827	2.72207	0.0
1.4861	2.72188	0.0
1.4896	2.72169	0.0
1.493	2.7215	0.0
1.4965	2.72131	0.0
1.4999	2.72113	0.0
1.5034	2.72094	0.0
1.5068	2.72076	0.0
1.5102	2.72058	0.0
1.5137	2.7204	0.0
1.5171	2.72022	0.0
1.5206	2.72004	0.0
1.524	2.71986	0.0
1.5275	2.71969	0.0
1.5309	2.71951	0.0
1.5344	2.71934	0.0
1.5378	2.71917	0.0
1.5413	2.719	0.0
1.5447	2.71883	0.0
1.5482	2.71866	0.0
1.5517	2.71849	0.0
1.5551	2.71833	0.0
1.5586	2.71816	0.0
1.562	2.718	0.0
1.5655	2.71784	0.0
1.5689	2.71768	0.0
1.5724	2.71752	0.0
1.5758	2.71736	0.0
1.5793	2.7172	0.0
1.5827	2.71704	0.0
1.5862	2.71689	0.0
1.5897	2.71673	0.0
1.5931	2.71658	0.0
1.5966	2.71643	0.0
1.6	2.71627	0.0
1.6035	2.71612	0.0
1.6069	2.71597	0.0
1.6104	2.71583	0.0
1.6139	2.71568	0.0
1.6173	2.71553	0.0
1.6208	2.71538	0.0
1.6242	2.71524	0.0
1.6277	2.7151	0.0
1.6312	2.71495	0.0
1.6346	2.71481	0.0
1.6381	2.71467	0.0
1.6415	2.71453	0.0
1.645	2.71439	0.0
1.6485	2.71425	0.0
1.6519	2.71412	0.0
1.6554	2.71398	0.0
1.6589	2.71384	0.0
1.6623	2.71371	0.0
1.6658	2.71358	0.0
1.6693	2.71344	0.0

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: —

BiFeO3 (Bismuth ferrite, BFO): all datasets

Kumar et al. 2008: n 0.197–1.67 µm, k 0.197–0.576 µm n,k 0.1971–1.669 µm default

About BiFeO3 (Bismuth ferrite, BFO)

BiFeO₃, commonly known as bismuth ferrite (BFO), is a multiferroic material that exhibits both ferroelectric and antiferromagnetic properties. In the realm of optics and optoelectronics, BFO has garnered interest for its potential in creating multifunctional devices, leveraging its coupled electric and magnetic order parameters. It shows promise for applications in photovoltaics, data storage, and spintronic devices due to its strong magnetoelectric coupling. The material possesses a distorted perovskite structure, which gives rise to its unique properties. Various methods, such as sol-gel, chemical vapor deposition (CVD), and pulsed laser deposition (PLD), can be used to synthesize high-quality BFO films. The material has also been doped with elements like lanthanum and titanium to enhance its functional properties or to adjust its bandgap for specific applications. One of the challenges with BFO is its relatively low Curie temperature and weak ferromagnetism at room temperature. Nonetheless, the ability to control both electric and magnetic properties by external fields makes BFO a subject of intensive research for future optoelectronic devices and sensors.

Bismuth ferrite - Wikipedia

More about BiFeO3 (Bismuth ferrite, BFO) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/BiFeO3/nk/Kumar.yml
ID: ds_84955c6aac45
API: /v1/datasets/ds_84955c6aac45

Plot