# 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 0.8996 0.1556
        0.017712 0.8961 0.1579
        0.017839 0.8927 0.1608
        0.017969 0.8883 0.1644
        0.018100 0.8829 0.1688
        0.018233 0.8765 0.1740
        0.018368 0.8686 0.1802
        0.018505 0.8595 0.1891
        0.018644 0.8476 0.2012
        0.018785 0.8343 0.2193
        0.018929 0.8181 0.2475
        0.019074 0.8046 0.2939
        0.019222 0.8093 0.3688
        0.019373 0.8758 0.4647
        0.019525 1.0291 0.4941
        0.019680 1.1437 0.3939
        0.019837 1.1528 0.2880
        0.019997 1.1258 0.2287
        0.020160 1.0979 0.1986
        0.020325 1.0758 0.1827
        0.020493 1.0584 0.1738
        0.020664 1.0447 0.1685
        0.020838 1.0337 0.1659
        0.021014 1.0252 0.1644
        0.021194 1.0176 0.1631
        0.021377 1.0117 0.1631
        0.021562 1.0063 0.1630
        0.021752 1.0019 0.1637
        0.021944 0.9975 0.1644
        0.022140 0.9941 0.1650
        0.022339 0.9907 0.1655
        0.022543 0.9878 0.1665
        0.022749 0.9849 0.1675
        0.022960 0.9825 0.1684
        0.023175 0.9802 0.1699
        0.023393 0.9779 0.1713
        0.023616 0.9760 0.1721
        0.023843 0.9737 0.1736
        0.024075 0.9719 0.1749
        0.024311 0.9701 0.1763
        0.024551 0.9683 0.1776
        0.024797 0.9665 0.1790
        0.025047 0.9647 0.1809
        0.025303 0.9629 0.1823
        0.025564 0.9612 0.1841
        0.025830 0.9594 0.1855
        0.026102 0.9577 0.1874
        0.026380 0.9560 0.1893
        0.026663 0.9542 0.1913
        0.026953 0.9525 0.1932
        0.027249 0.9508 0.1951
        0.027552 0.9491 0.1970
        0.027862 0.9474 0.1990
        0.028178 0.9452 0.2010
        0.028502 0.9435 0.2030
        0.028834 0.9413 0.2050
        0.029173 0.9391 0.2071
        0.029520 0.9369 0.2092
        0.029876 0.9348 0.2118
        0.030240 0.9326 0.2139
        0.030613 0.9299 0.2162
        0.030996 0.9267 0.2185
        0.031388 0.9241 0.2213
        0.031791 0.9204 0.2238
        0.032204 0.9172 0.2262
        0.032627 0.9130 0.2295
        0.033062 0.9088 0.2322
        0.033509 0.9036 0.2357
        0.033968 0.8986 0.2398
        0.034440 0.8926 0.2442
        0.034925 0.8849 0.2492
        0.035424 0.8767 0.2561
        0.035937 0.8659 0.2662
        0.036466 0.8536 0.2858
        0.037010 0.8588 0.3295
        0.037571 0.9210 0.3198
        0.038149 0.9047 0.2835
        0.038745 0.8831 0.2808
        0.039360 0.8672 0.2865
        0.039995 0.8537 0.2946
        0.040651 0.8421 0.3052
        0.041328 0.8303 0.3168
        0.042029 0.8199 0.3305
        0.042753 0.8095 0.3453
        0.043503 0.7997 0.3626
        0.044280 0.7916 0.3815
        0.045085 0.7841 0.4023
        0.045920 0.7784 0.4253
        0.046786 0.7748 0.4498
        0.047686 0.7743 0.4759
        0.048621 0.7771 0.5019
        0.049594 0.7829 0.5282
        0.050606 0.7922 0.5529
        0.051660 0.8041 0.5758
        0.052759 0.8178 0.5949
        0.053906 0.8312 0.6106
        0.055104 0.8437 0.6228
        0.056356 0.8532 0.6324
        0.057667 0.8592 0.6413
        0.059040 0.8608 0.6511
        0.060480 0.8592 0.6634
        0.061992 0.8553 0.6793
        0.063582 0.8505 0.7002
        0.065255 0.8466 0.7258
        0.067018 0.8447 0.7559
        0.068880 0.8462 0.7900
        0.070848 0.8517 0.8266
        0.072932 0.8623 0.8652
        0.075142 0.8777 0.9041
        0.077490 0.8983 0.9423
        0.079990 0.9231 0.9783
        0.082656 0.9517 1.0108
        0.085506 0.9826 1.0390
        0.088560 1.0140 1.0626
        0.091840 1.0441 1.0808
        0.095372 1.0702 1.0951
        0.099187 1.0909 1.1064
        0.103320 1.1034 1.1174
        0.107812 1.1072 1.1313
        0.112713 1.1019 1.1525
        0.118080 1.0893 1.1847
        0.123984 1.0723 1.2328
        0.130510 1.0568 1.3007
        0.137760 1.0513 1.3893
        0.145864 1.0687 1.4934
        0.154980 1.1173 1.5901
        0.165312 1.1659 1.6490
        0.177120 1.1608 1.7048
        0.190745 1.1244 1.8183
        0.206640 1.0981 1.9957
        0.225426 1.1021 2.2335
        0.247968 1.1658 2.5377
        0.261019 1.2409 2.7109
        0.275520 1.3623 2.8823
        0.291728 1.5359 3.0174
        0.309960 1.7308 3.0636
        0.330625 1.8491 3.0017
        0.354241 1.7887 2.9265
        0.381490 1.5692 2.9942
        0.413281 1.3147 3.2825
        0.450852 1.1294 3.7654
        0.495937 1.0475 4.4014
        0.551041 1.0758 5.1912
        0.619921 1.2401 6.1846
        0.708481 1.6301 7.4880
        0.826561 2.5232 9.2866
        0.991874 4.8909 11.6849
        1.239842 10.8285 11.8415
        1.653123 12.4317 5.8950
        2.479684 7.1193 4.0993