# 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: |
    W. S. M. Werner, K. Glantschnig, C. Ambrosch-Draxl.
    Optical constants and inelastic electron-scattering data for 17 elemental metals.
    <a href="https://doi.org/10.1063/1.3243762"><i>J. Phys Chem Ref. Data</i> <b>38</b>, 1013-1092 (2009)</a>
COMMENTS: |
    Experimental data: Derived from reflection electron energy-loss spectroscopy (REELS) spectra.
DATA:
  - type: tabulated nk
    data: |
        0.017586 0.8525 0.0276
        0.017712 0.8496 0.0288
        0.017839 0.8467 0.0301
        0.017969 0.8438 0.0320
        0.018100 0.8409 0.0333
        0.018233 0.8380 0.0346
        0.018368 0.8345 0.0366
        0.018505 0.8316 0.0385
        0.018644 0.8280 0.0405
        0.018785 0.8245 0.0424
        0.018929 0.8210 0.0445
        0.019074 0.8174 0.0471
        0.019222 0.8139 0.0491
        0.019373 0.8104 0.0518
        0.019525 0.8068 0.0545
        0.019680 0.8027 0.0573
        0.019837 0.7992 0.0607
        0.019997 0.7951 0.0641
        0.020160 0.7909 0.0670
        0.020325 0.7874 0.0705
        0.020493 0.7833 0.0747
        0.020664 0.7792 0.0783
        0.020838 0.7751 0.0826
        0.021014 0.7704 0.0870
        0.021194 0.7664 0.0913
        0.021377 0.7617 0.0958
        0.021562 0.7565 0.1011
        0.021752 0.7518 0.1057
        0.021944 0.7467 0.1118
        0.022140 0.7408 0.1174
        0.022339 0.7352 0.1245
        0.022543 0.7289 0.1317
        0.022749 0.7223 0.1405
        0.022960 0.7159 0.1502
        0.023175 0.7099 0.1613
        0.023393 0.7038 0.1741
        0.023616 0.6990 0.1888
        0.023843 0.6965 0.2053
        0.024075 0.6961 0.2227
        0.024311 0.7000 0.2407
        0.024551 0.7070 0.2567
        0.024797 0.7166 0.2693
        0.025047 0.7274 0.2777
        0.025303 0.7354 0.2808
        0.025564 0.7387 0.2823
        0.025830 0.7340 0.2841
        0.026102 0.7198 0.2952
        0.026380 0.7012 0.3444
        0.026663 0.8270 0.3604
        0.026953 0.7810 0.2932
        0.027249 0.7504 0.3052
        0.027552 0.7365 0.3279
        0.027862 0.7341 0.3535
        0.028178 0.7403 0.3782
        0.028502 0.7529 0.3985
        0.028834 0.7665 0.4129
        0.029173 0.7767 0.4223
        0.029520 0.7814 0.4332
        0.029876 0.7824 0.4518
        0.030240 0.7869 0.4829
        0.030613 0.8073 0.5252
        0.030996 0.8540 0.5650
        0.031388 0.9236 0.5798
        0.031791 0.9896 0.5553
        0.032204 1.0208 0.5099
        0.032627 1.0165 0.4820
        0.033062 1.0127 0.4996
        0.033509 1.0726 0.5408
        0.033968 1.1890 0.4958
        0.034440 1.2234 0.3711
        0.034925 1.1744 0.2831
        0.035424 1.0973 0.2830
        0.035937 1.2157 0.2682
        0.036466 1.1363 0.1650
        0.037010 1.0768 0.1435
        0.037571 1.0329 0.1341
        0.038149 0.9959 0.1295
        0.038745 0.9630 0.1277
        0.039360 0.9320 0.1288
        0.039995 0.9024 0.1313
        0.040651 0.8737 0.1356
        0.041328 0.8457 0.1419
        0.042029 0.8183 0.1503
        0.042753 0.7897 0.1602
        0.043503 0.7615 0.1727
        0.044280 0.7337 0.1881
        0.045085 0.7054 0.2063
        0.045920 0.6766 0.2276
        0.046786 0.6494 0.2525
        0.047686 0.6235 0.2823
        0.048621 0.5995 0.3153
        0.049594 0.5789 0.3524
        0.050606 0.5621 0.3923
        0.051660 0.5497 0.4338
        0.052759 0.5419 0.4761
        0.053906 0.5382 0.5184
        0.055104 0.5369 0.5588
        0.056356 0.5374 0.5982
        0.057667 0.5388 0.6366
        0.059040 0.5408 0.6749
        0.060480 0.5417 0.7144
        0.061992 0.5426 0.7566
        0.063582 0.5454 0.8022
        0.065255 0.5506 0.8510
        0.067018 0.5593 0.9038
        0.068880 0.5745 0.9592
        0.070848 0.5961 1.0166
        0.072932 0.6261 1.0733
        0.075142 0.6636 1.1280
        0.077490 0.7101 1.1774
        0.079990 0.7626 1.2188
        0.082656 0.8195 1.2496
        0.085506 0.8751 1.2672
        0.088560 0.9233 1.2737
        0.091840 0.9566 1.2748
        0.095372 0.9723 1.2862
        0.099187 0.9907 1.3385
        0.103320 1.1337 1.4196
        0.107812 1.2876 1.1785
        0.112713 1.0980 1.0347
        0.118080 0.9268 1.0644
        0.123984 0.7987 1.1575
        0.130510 0.7056 1.2876
        0.137760 0.6453 1.4413
        0.145864 0.6143 1.6101
        0.154980 0.6097 1.7871
        0.165312 0.6276 1.9680
        0.177120 0.6630 2.1477
        0.190745 0.7067 2.3220
        0.206640 0.7408 2.4911
        0.225426 0.7408 2.6713
        0.247968 0.6895 2.9028
        0.261019 0.6467 3.0555
        0.275520 0.5974 3.2414
        0.291728 0.5472 3.4658
        0.309960 0.5009 3.7324
        0.330625 0.4625 4.0454
        0.354241 0.4353 4.4099
        0.381490 0.4219 4.8341
        0.413281 0.4253 5.3305
        0.450852 0.4501 5.9171
        0.495937 0.5043 6.6220
        0.551041 0.6032 7.4870
        0.619921 0.7797 8.5785
        0.708481 1.1106 10.0036
        0.826561 1.8114 11.9264
        0.991874 3.5874 14.3933
        1.239842 7.4102 15.0566
        1.653123 5.1146 13.8180
        2.479684 1.8025 23.8449