Optical constants

Refractive index of NiPS₃ ( Nickel phosphorus trisulfide)

Zotev et al. 2023: n,k 0.36–1.0 µm

Data: tabulated nk
Range: 0.36–1 µm
Points: 402
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 3.4729
Extinction coefficient k: 0.683

Permittivity ε₁: 11.5945
Permittivity ε₂: 4.74398

Absorption coefficient α: 146066 cm⁻¹
Penetration depth δ = λ/(2πk): 136.925 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: 1.5 µm⁻¹

Group index n_g: 2.5915
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

# NiPS3 ( Nickel phosphorus trisulfide): Zotev et al. 2023: n,k 0.36–1.0 µm
nips3 = ls.fetch_refractiveindex("main", "NiPS3", "Zotev", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(nips3.range_nm)  # (360, 1000) nm
eps = nips3.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_8019bafa0213/lightsmith"
nips3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(nips3.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (nips3/zotev-2023).

# ... load nips3 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=nips3)],
    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

Multilayer crystals. Isotropic. Room temperature.

References

P. G. Zotev, Y. Wang, D. Andres-Penares, T. Severs-Millard, S. Randerson, X. Hu, L. Sortino, C. Louca, M. Brotons-Gisbert, T. Huq, S. Vezzoli, R. Sapienza, T. F. Krauss, B. D. Gerardot, A. I. Tartakovskii. Van der Waals materials for applications in nanophotonics. Laser and Photonics Rev. 17, 2200957 (2023) (Numerical data kindly provided by Panaiot Zotev)

doi:10.1002/lpor.202200957 Van der Waals Materials for Applications in Nanophotonics, Laser & Photonics Reviews (2023)

Cite

Panaiot G. Zotev et al.. Van der Waals Materials for Applications in Nanophotonics. Laser & Photonics Reviews, 17, 2200957 (2023), doi:10.1002/lpor.202200957; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

402 rows as published

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

NiPS3 ( Nickel phosphorus trisulfide), Zotev et al. 2023: n,k 0.36–1.0 µm: n and k versus wavelength
λ (µm)	n	k
0.36	3.091	1.074
0.362	3.068	1.034
0.363	3.045	0.999
0.365	3.021	0.968
0.366	2.998	0.941
0.368	2.975	0.917
0.37	2.952	0.896
0.371	2.931	0.878
0.373	2.91	0.863
0.374	2.889	0.85
0.376	2.87	0.838
0.378	2.851	0.829
0.379	2.834	0.821
0.381	2.817	0.814
0.382	2.801	0.809
0.384	2.786	0.805
0.386	2.771	0.801
0.387	2.758	0.799
0.389	2.745	0.798
0.39	2.733	0.797
0.392	2.722	0.798
0.394	2.711	0.798
0.395	2.701	0.8
0.397	2.692	0.802
0.398	2.683	0.804
0.4	2.675	0.807
0.402	2.667	0.81
0.403	2.661	0.814
0.405	2.654	0.818
0.406	2.648	0.822
0.408	2.643	0.827
0.41	2.638	0.831
0.411	2.634	0.836
0.413	2.63	0.842
0.414	2.627	0.847
0.416	2.624	0.853
0.418	2.621	0.859
0.419	2.619	0.865
0.421	2.618	0.871
0.422	2.616	0.877
0.424	2.616	0.884
0.426	2.615	0.89
0.427	2.615	0.897
0.429	2.616	0.903
0.43	2.617	0.91
0.432	2.618	0.917
0.434	2.619	0.924
0.435	2.621	0.93
0.437	2.624	0.937
0.438	2.626	0.944
0.44	2.629	0.951
0.442	2.633	0.958
0.443	2.636	0.965
0.445	2.64	0.972
0.446	2.645	0.978
0.448	2.65	0.985
0.45	2.655	0.992
0.451	2.66	0.999
0.453	2.666	1.005
0.454	2.672	1.012
0.456	2.678	1.018
0.458	2.685	1.024
0.459	2.692	1.031
0.461	2.699	1.037
0.462	2.707	1.043
0.464	2.715	1.049
0.466	2.723	1.054
0.467	2.732	1.06
0.469	2.741	1.065
0.47	2.75	1.07
0.472	2.759	1.075
0.474	2.769	1.08
0.475	2.779	1.085
0.477	2.789	1.089
0.478	2.8	1.093
0.48	2.811	1.097
0.482	2.822	1.101
0.483	2.833	1.104
0.485	2.845	1.107
0.486	2.856	1.11
0.488	2.868	1.113
0.49	2.88	1.115
0.491	2.893	1.117
0.493	2.905	1.118
0.494	2.918	1.12
0.496	2.93	1.12
0.498	2.943	1.121
0.499	2.956	1.121
0.501	2.97	1.121
0.502	2.983	1.121
0.504	2.996	1.119
0.506	3.01	1.118
0.507	3.023	1.116
0.509	3.036	1.114
0.51	3.05	1.112
0.512	3.063	1.109
0.514	3.077	1.106
0.515	3.09	1.102
0.517	3.104	1.098
0.518	3.117	1.094
0.52	3.13	1.089
0.522	3.143	1.084
0.523	3.156	1.078
0.525	3.169	1.073
0.526	3.182	1.066
0.528	3.194	1.06
0.53	3.207	1.053
0.531	3.219	1.045
0.532	3.225	1.041
0.533	3.231	1.038
0.534	3.242	1.03
0.536	3.254	1.022
0.538	3.265	1.013
0.539	3.276	1.005
0.541	3.286	0.996
0.542	3.297	0.987
0.544	3.307	0.977
0.546	3.317	0.968
0.547	3.326	0.958
0.549	3.335	0.948
0.55	3.345	0.938
0.552	3.353	0.927
0.554	3.361	0.917
0.555	3.369	0.906
0.557	3.377	0.896
0.558	3.385	0.885
0.56	3.392	0.874
0.562	3.399	0.863
0.563	3.405	0.852
0.565	3.412	0.841
0.566	3.418	0.83
0.568	3.423	0.819
0.57	3.429	0.808
0.571	3.434	0.797
0.573	3.439	0.785
0.574	3.443	0.774
0.576	3.448	0.763
0.578	3.452	0.752
0.579	3.456	0.741
0.581	3.46	0.73
0.582	3.463	0.719
0.584	3.466	0.708
0.586	3.469	0.697
0.587	3.472	0.686
0.589	3.475	0.676
0.59	3.477	0.665
0.592	3.48	0.654
0.594	3.481	0.644
0.595	3.483	0.633
0.597	3.485	0.623
0.598	3.487	0.612
0.6	3.488	0.602
0.602	3.49	0.591
0.603	3.49	0.581
0.605	3.491	0.571
0.606	3.492	0.561
0.608	3.492	0.551
0.61	3.493	0.541
0.611	3.493	0.531
0.613	3.493	0.522
0.614	3.493	0.512
0.616	3.493	0.502
0.618	3.493	0.493
0.619	3.492	0.483
0.621	3.492	0.474
0.622	3.491	0.465
0.624	3.49	0.456
0.626	3.49	0.446
0.627	3.489	0.437
0.629	3.488	0.428
0.63	3.487	0.419
0.632	3.485	0.411
0.634	3.483	0.402
0.635	3.482	0.393
0.637	3.48	0.385
0.638	3.478	0.376
0.64	3.477	0.368
0.642	3.475	0.36
0.643	3.473	0.351
0.645	3.472	0.343
0.646	3.469	0.335
0.648	3.466	0.327
0.65	3.464	0.319
0.651	3.461	0.312
0.653	3.458	0.304
0.654	3.456	0.296
0.656	3.453	0.289
0.658	3.451	0.281
0.659	3.448	0.274
0.661	3.446	0.267
0.662	3.443	0.26
0.664	3.439	0.253
0.666	3.436	0.246
0.667	3.432	0.239
0.669	3.429	0.232
0.67	3.425	0.225
0.672	3.422	0.219
0.674	3.418	0.212
0.675	3.415	0.206
0.677	3.412	0.2
0.678	3.408	0.193
0.68	3.405	0.187
0.682	3.401	0.181
0.683	3.397	0.175
0.685	3.393	0.17
0.686	3.388	0.164
0.688	3.384	0.158
0.69	3.38	0.153
0.691	3.376	0.147
0.693	3.372	0.142
0.694	3.368	0.137
0.696	3.364	0.132
0.698	3.36	0.127
0.699	3.357	0.122
0.701	3.352	0.117
0.702	3.348	0.113
0.704	3.343	0.108
0.706	3.338	0.104
0.707	3.334	0.099
0.709	3.329	0.095
0.71	3.325	0.091
0.712	3.32	0.087
0.714	3.316	0.083
0.715	3.312	0.079
0.717	3.307	0.075
0.718	3.303	0.071
0.72	3.299	0.068
0.722	3.294	0.064
0.723	3.29	0.061
0.725	3.285	0.058
0.726	3.28	0.055
0.728	3.276	0.052
0.73	3.271	0.049
0.731	3.267	0.046
0.733	3.262	0.043
0.734	3.258	0.04
0.736	3.253	0.038
0.738	3.249	0.035
0.739	3.245	0.033
0.741	3.24	0.03
0.742	3.236	0.028
0.744	3.232	0.026
0.746	3.227	0.024
0.747	3.223	0.022
0.749	3.218	0.02
0.75	3.214	0.018
0.752	3.21	0.017
0.754	3.206	0.015
0.755	3.201	0.014
0.757	3.197	0.012
0.758	3.193	0.011
0.76	3.189	0.01
0.762	3.185	0.008
0.763	3.181	0.007
0.765	3.177	0.006
0.766	3.172	0.005
0.768	3.168	0.005
0.77	3.164	0.004
0.771	3.16	0.003
0.773	3.157	0.003
0.774	3.154	0.002
0.776	3.15	0.002
0.778	3.147	0.001
0.779	3.144	0.001
0.781	3.141	0.001
0.782	3.138	0.0
0.784	3.134	0.0
0.786	3.131	0.0
0.787	3.128	0.0
0.789	3.125	0.0
0.79	3.122	0.0
0.792	3.119	0.0
0.794	3.116	0.0
0.795	3.113	0.0
0.797	3.11	0.0
0.798	3.107	0.0
0.8	3.104	0.0
0.802	3.102	0.0
0.803	3.099	0.0
0.805	3.097	0.0
0.806	3.095	0.0
0.808	3.093	0.0
0.81	3.091	0.0
0.811	3.089	0.0
0.813	3.086	0.0
0.814	3.084	0.0
0.816	3.082	0.0
0.818	3.08	0.0
0.819	3.078	0.0
0.821	3.076	0.0
0.822	3.074	0.0
0.824	3.072	9.384e-05
0.826	3.07	8.772e-05
0.827	3.068	8.182e-05
0.829	3.066	7.615e-05
0.83	3.064	7.07e-05
0.832	3.062	6.546e-05
0.834	3.06	6.044e-05
0.835	3.059	5.563e-05
0.837	3.057	5.103e-05
0.838	3.055	4.664e-05
0.84	3.054	4.246e-05
0.842	3.052	3.849e-05
0.843	3.05	3.472e-05
0.845	3.049	3.116e-05
0.846	3.047	2.78e-05
0.848	3.045	2.464e-05
0.85	3.044	2.168e-05
0.851	3.042	1.892e-05
0.853	3.041	1.635e-05
0.854	3.039	1.397e-05
0.856	3.038	1.179e-05
0.858	3.036	9.798e-06
0.859	3.035	7.995e-06
0.861	3.033	6.379e-06
0.862	3.032	4.949e-06
0.864	3.03	3.703e-06
0.866	3.029	2.641e-06
0.867	3.027	1.759e-06
0.869	3.026	1.058e-06
0.87	3.024	5.352e-07
0.872	3.023	1.896e-07
0.874	3.022	1.959e-08
0.875	3.02	0.0
0.877	3.019	0.0
0.878	3.018	0.0
0.88	3.017	0.0
0.882	3.015	0.0
0.883	3.014	0.0
0.885	3.013	0.0
0.886	3.012	0.0
0.888	3.011	0.0
0.89	3.01	0.0
0.891	3.008	0.0
0.893	3.007	0.0
0.894	3.006	0.0
0.896	3.005	0.0
0.898	3.004	0.0
0.899	3.003	0.0
0.901	3.001	0.0
0.902	3.0	0.0
0.904	2.999	0.0
0.906	2.998	0.0
0.907	2.997	0.0
0.909	2.996	0.0
0.91	2.995	0.0
0.912	2.994	0.0
0.914	2.993	0.0
0.915	2.992	0.0
0.917	2.991	0.0
0.918	2.99	0.0
0.92	2.989	0.0
0.922	2.988	0.0
0.923	2.987	0.0
0.925	2.986	0.0
0.926	2.985	0.0
0.928	2.984	0.0
0.93	2.983	0.0
0.931	2.982	0.0
0.933	2.981	0.0
0.934	2.98	0.0
0.936	2.979	0.0
0.938	2.978	0.0
0.939	2.978	0.0
0.941	2.977	0.0
0.942	2.976	0.0
0.944	2.975	0.0
0.946	2.974	0.0
0.947	2.973	0.0
0.949	2.972	0.0
0.95	2.971	0.0
0.952	2.97	0.0
0.954	2.97	0.0
0.955	2.969	0.0
0.957	2.968	0.0
0.958	2.967	0.0
0.96	2.966	0.0
0.962	2.965	0.0
0.963	2.965	0.0
0.965	2.964	0.0
0.966	2.963	0.0
0.968	2.962	0.0
0.97	2.962	0.0
0.971	2.961	0.0
0.973	2.96	0.0
0.974	2.959	0.0
0.976	2.959	0.0
0.978	2.958	0.0
0.979	2.957	0.0
0.981	2.957	0.0
0.982	2.956	0.0
0.984	2.955	0.0
0.986	2.954	0.0
0.987	2.954	0.0
0.989	2.953	0.0
0.99	2.952	0.0
0.992	2.952	0.0
0.994	2.951	0.0
0.995	2.95	0.0
0.997	2.95	0.0
0.998	2.949	0.0
1.0	2.948	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: —

NiPS₃ ( Nickel phosphorus trisulfide): all datasets

Multilayer flakes

Zotev et al. 2023: n,k 0.36–1.0 µm n,k 0.36–1 µm default

About NiPS3 ( Nickel phosphorus trisulfide)

Nickel phosphorus trisulfide (NiPS₃) is a member of the transition metal phosphorus trisulfides, a group of layered materials with interesting magnetic and electronic properties. NiPS₃ is known for its antiferromagnetic order at low temperatures, which is a subject of significant interest in the field of spintronics and magnetic memory devices. Structurally, it belongs to the category of van der Waals materials, which allows for exfoliation into thin layers or flakes, offering opportunities for exploring two-dimensional material physics. In terms of electronic properties, NiPS₃ exhibits semiconducting behavior with an indirect bandgap, making it a potential candidate for applications in electronics and optoelectronics. The study of its optical properties, including the refractive index, is key to understanding and exploiting its interaction with light. Knowledge of the refractive index of NiPS₃ across various wavelengths is essential for the design and fabrication of optoelectronic devices, where precise manipulation of light is required. Ongoing research into the optical characteristics of NiPS₃ is critical for unlocking its full potential in technological applications.

More about NiPS3 ( Nickel phosphorus trisulfide) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/NiPS3/nk/Zotev.yml
ID: ds_8019bafa0213
API: /v1/datasets/ds_8019bafa0213

Plot