IXAS X-ray Data for the Elements

Select Element for X-ray Properties

H He
Li Be B C N O F Ne
Na Mg Al Si P S Cl Ar
K Ca Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr
Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe
Cs Ba La Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn
Fr Ra Ac
Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu
Th Pa U Np Pu Am Cm Bk Cf



Atomic Data for Se
 Property     Value 
  Atomic Number:   34
  Atomic Mass:   78.971
  Density (gm / cm^3):   4.81
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X-ray absorption edges for Se
  Edge     Energy (eV)     Fluorescence Yield   Edge Jump
    K   12658.0   0.57381   7.225
    L1   1652.0   0.00320   1.138
    L2   1474.3   0.01600   1.400
    L3   1433.9   0.01800   4.431
    M1   229.6   0.00003   1.040
    M2   166.5   0.00004   1.058
    M3   160.7   0.00003   1.117
    M4   55.5   0.00270   1.000
    M5   54.6   0.00000   1.000
    N1   12.0   0.00001   1.000
    N2   3.0   0.01163   1.000
    N3   3.0   0.01163   1.000
X-ray fluorescence lines for Se
  Line     Energy (eV)     Intensity
    Ka1 (K - L3 )   11224.1   0.56927
    Ka2 (K - L2 )   11183.7   0.29336
    Ka3 (K - L1 )   11006.0   0.00035
    Kb1 (K - M3 )   12497.3   0.08665
    Kb2 (K - N2,3 )   12655.0   0.00455
    Kb3 (K - M2 )   12491.5   0.04489
    Kb5 (K - M4,5 )   12602.5   0.00091
    La1 (L3 - M5 )   1379.3   0.85551
    La2 (L3 - M4 )   1378.4   0.09411
    Lb1 (L2 - M4 )   1418.8   0.94449
    Lb3 (L1 - M3 )   1491.3   0.49208
    Lb4 (L1 - M2 )   1485.5   0.34741
    Lb6 (L3 - N1 )   1421.9   0.00059
    Lg2 (L1 - N2 )   1649.0   0.07234
    Lg3 (L1 - N3 )   1649.0   0.08818
    Ll (L3 - M1 )   1204.3   0.04980
    Ln (L2 - M1 )   1244.7   0.05551
    Mz (M4,5 - N2,3 )   52.5   1.00000