EuS Refractive Index

Name: EuS Refractive Index (n, k)
Creator: Acuitik
License: https://creativecommons.org/licenses/by/4.0/
Keywords: EuS, refractive index, n, k, optical constants, thin film

Optical constants (n, k) of EuS, covering 0.19 – 1.70 μm wavelength range.

Range 0.190 – 1.700 μm

Data Points 1091

Optical Constants at Key Wavelengths

632.8 nm (He-Ne)

n = 2.1410

k = 0.0430

589.3 nm (Na-D)

n = 2.1560

k = 0.0700

532 nm

n = 2.1520

k = 0.1150

1550 nm (Telecom)

n = 2.0470

k = 0.0040

n, k Dispersion Curves

Data Table (Sampled)

Wavelength (μm)	n	k
0.1900	1.98400	1.06300
0.2170	2.29400	0.88200
0.2440	2.39400	0.66600
0.2710	2.60800	0.49800
0.2980	2.47600	0.22200
0.3250	2.34600	0.12900
0.3520	2.26200	0.09900
0.3790	2.20400	0.08500
0.4060	2.15900	0.08300
0.4330	2.12600	0.09500
0.4600	2.11500	0.11600
0.4870	2.12500	0.12900
0.5140	2.14200	0.12500
0.5410	2.15500	0.10900
0.5680	2.15900	0.08700
0.5950	2.15500	0.06600
0.6220	2.14500	0.04800
0.6490	2.13400	0.03600
0.6760	2.12200	0.02800
0.7030	2.11100	0.02300
0.7300	2.10200	0.02000
0.7570	2.09500	0.01900
0.7840	2.08900	0.01800
0.8110	2.08400	0.01800
0.8380	2.08000	0.01800
0.8650	2.07700	0.01800
0.8920	2.07400	0.01700
0.9190	2.07200	0.01700
0.9460	2.07000	0.01600
0.9730	2.06800	0.01600
1.0000	2.06700	0.01500
1.0675	2.06300	0.01300
1.1350	2.06000	0.01100
1.2025	2.05800	0.00900
1.2700	2.05500	0.00800
1.3375	2.05300	0.00700
1.4050	2.05100	0.00600
1.4725	2.04900	0.00500
1.5400	2.04700	0.00400
1.6075	2.04600	0.00300
1.6750	2.04400	0.00300
1.7000	2.04400	0.00300

Sampled data (1091 points total). Click "Download Full CSV" for complete data.

Notes

Ellipsometry sample: 100 nm thin film of electron beam evaporated EuS deposited on a 0.5 mm thick Si substrate held at room temperature. The base vacuum of the system was ~6×10^-8 Torr whereas during electron-beam evaporation of EuS it was at ~2×10^-6 Torr.

References

M. L. Meretska, F. H. B. Somhorst, M. Ossiander, Y. Hou, J. Moodera, F. Capasso. Measurements of the magneto-optical properties of thin-film EuS at room temperature in the visible spectrum. Appl. Phys. Lett. 120, 251103 (2022) (Numerical data kindly provided by Frank Somhorst)

Related Materials (Main)

Ag Ag3AsS3 (e) Ag3AsS3 (o) AgBr AgCl AgGaS2 (e)

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