# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: |
    G. E. Jellison Jr., T. E. Haynes, H. H. Burke.
    Optical functions of silicon-germanium alloys determined using spectroscopic ellipsometry.
    <a href="https://doi.org/10.1016/0925-3467(93)90035-Y"><i>Opt. Mat.</i> <b>2</b>, 105-117 (1993)</a>
COMMENTS: |
    Si<sub>x</sub>Ge<sub>1-x</sub>, x = 0.85. 7-μm film grown on Si substrate.
DATA:
  - type: tabulated nk
    data: |
        0.240 1.649 3.404
        0.242 1.659 3.446
        0.244 1.664 3.491
        0.246 1.672 3.542
        0.248 1.683 3.596
        0.250 1.712 3.657
        0.252 1.740 3.724
        0.254 1.756 3.818
        0.256 1.787 3.879
        0.258 1.823 3.964
        0.260 1.864 4.060
        0.262 1.918 4.164
        0.264 1.966 4.255
        0.266 2.037 4.367
        0.268 2.119 4.487
        0.270 2.213 4.602
        0.272 2.334 4.731
        0.274 2.496 4.856
        0.276 2.654 4.969
        0.278 2.843 5.063
        0.280 3.066 5.149
        0.282 3.302 5.212
        0.284 3.561 5.236
        0.286 3.840 5.221
        0.288 4.161 5.145
        0.290 4.422 4.989
        0.292 4.622 4.794
        0.294 4.758 4.587
        0.296 4.871 4.383
        0.298 4.917 4.198
        0.300 4.950 4.038
        0.304 4.980 3.777
        0.308 4.977 3.582
        0.312 4.976 3.432
        0.316 4.988 3.314
        0.320 5.002 3.212
        0.324 5.028 3.122
        0.328 5.053 3.043
        0.332 5.085 2.977
        0.336 5.126 2.914
        0.340 5.161 2.864
        0.344 5.207 2.811
        0.348 5.260 2.777
        0.352 5.331 2.738
        0.356 5.422 2.700
        0.360 5.538 2.655
        0.364 5.670 2.598
        0.368 5.828 2.503
        0.372 5.997 2.349
        0.376 6.146 2.140
        0.380 6.234 1.874
        0.384 6.255 1.597
        0.388 6.226 1.355
        0.392 6.157 1.135
        0.396 6.063 0.941
        0.400 5.954 0.783
        0.404 5.842 0.651
        0.408 5.725 0.547
        0.412 5.611 0.467
        0.416 5.512 0.403
        0.420 5.418 0.351
        0.430 5.186 0.255
        0.440 5.029 0.206
        0.450 4.893 0.165
        0.460 4.772 0.142
        0.470 4.681 0.122
        0.480 4.595 0.098
        0.490 4.516 0.083
        0.500 4.452 0.070
        0.510 4.390 0.053
        0.520 4.332 0.044
        0.530 4.279 0.038
        0.540 4.239 0.039
        0.550 4.209 0.034
        0.560 4.170 0.027
        0.570 4.136 0.027
        0.580 4.101 0.023
        0.590 4.076 0.021
        0.600 4.045 0.018
        0.610 4.021 0.020
        0.620 4.004 0.013
        0.630 3.977 0.016
        0.640 3.969 0.010
        0.650 3.941 0.004
        0.660 3.921 0.004
        0.670 3.904 0.003
        0.680 3.891 0.007
        0.690 3.876 0.000
        0.700 3.857 0.003
        0.710 3.846 0.009
        0.720 3.832 0.013
        0.730 3.831 0.009
        0.740 3.816 0.009
        0.750 3.803 0.010
        0.760 3.793 0.011
        0.770 3.784 0.009
        0.780 3.779 0.010
        0.790 3.772 0.008
        0.800 3.764 0.010
        0.810 3.759 0.008
        0.820 3.753 0.009
        0.830 3.752 0.007
        0.840 3.750 0.004
CONDITIONS:
    x: 0.85
    thickness: 7 μm
    substrate: Si