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 Er
 Property     Value 
  Atomic Number:   68
  Atomic Mass:   167.259
  Density (gm / cm^3):   9.066
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X-ray absorption edges for Er
  Edge     Energy (eV)     Fluorescence Yield   Edge Jump
    K   57486.0   0.977231   5.353
    L1   9751.0   0.1   1.15355
    L2   9264.0   0.2   1.4
    L3   8358.0   0.192   2.692
    M1   2206.0   0.00110333   1.04
    M2   2006.0   0.00189   1.058
    M3   1812.0   0.00152   1.15283
    M4   1453.0   0.00733333   1.15
    M5   1409.0   0.0120333   1.475
    N1   449.8   4.1e-05   1.09439
    N2   366.2   6.83333e-05   1.005
    N3   320.2   5.66667e-05   1.113
    N4   167.6   9.66667e-05   1.088
    N5   167.6   0.000103333   1.088
    N6   4.7   0.0   1.0
    N7   4.7   0.0   1.0
    O1   50.6   0.0   1.0
    O2   31.4   0.0   1.0
    O3   24.7   0.0   1.0
X-ray fluorescence lines for Er
  Line     Energy (eV)     Intensity
    Ka1 (K - L3 )   49128.0   0.508912
    Ka2 (K - L2 )   48222.0   0.286435
    Ka3 (K - L1 )   47735.0   0.000126764
    Kb1 (K - M3 )   55674.0   0.103661
    Kb2 (K - N2,3 )   57119.8   0.0447842
    Kb3 (K - M2 )   55480.0   0.0536393
    Kb4 (K - N4,5 )   57318.4   0.000491573
    Kb5 (K - M4,5 )   56033.0   0.00195014
    La1 (L3 - M5 )   6949.0   0.731565
    La2 (L3 - M4 )   6905.0   0.0815571
    Lb1 (L2 - M4 )   7811.0   0.833631
    Lb2,15 (L3 - N4,5 )   8190.4   0.146668
    Lb3 (L1 - M3 )   7939.0   0.471341
    Lb4 (L1 - M2 )   7745.0   0.299229
    Lb6 (L3 - N1 )   7908.2   0.00811955
    Lg1 (L2 - N4 )   9096.4   0.147821
    Lg2 (L1 - N2 )   9384.8   0.0934733
    Lg3 (L1 - N3 )   9430.8   0.135957
    Ll (L3 - M1 )   6152.0   0.0320908
    Ln (L2 - M1 )   7058.0   0.0185481
    Ma (M5 - N6,7 )   1404.3   1.0
    Mb (M4 - N6 )   1448.3   0.997068
    Mg (M3 - N5 )   1644.4   1.0
    Mz (M4,5 - N2,3 )   1086.8   0.00293255