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 Ta
 Property     Value 
  Atomic Number:   73
  Atomic Mass:   180.948
  Density (gm / cm^3):   16.69
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X-ray absorption edges for Ta
  Edge     Energy (eV)     Fluorescence Yield   Edge Jump
    K   67416.0   0.982803   5.143
    L1   11682.0   0.137   1.15459
    L2   11136.0   0.258   1.4
    L3   9881.0   0.243   2.613
    M1   2708.0   0.00145   1.04
    M2   2469.0   0.00264   1.058
    M3   2194.0   0.00214   1.15525
    M4   1793.0   0.013   1.127
    M5   1735.0   0.0205   1.233
    N1   563.4   6.1e-05   1.06952
    N2   463.4   7.5e-05   1.005
    N3   400.9   5.9e-05   1.077
    N4   237.9   0.00012   1.02
    N5   226.4   0.00012   1.037
    N6   23.5   3.6e-06   1.0
    N7   21.6   3.6e-06   1.0
    O1   69.7   0.0   1.0
    O2   42.2   0.0   1.0
    O3   32.7   0.0   1.0
X-ray fluorescence lines for Ta
  Line     Energy (eV)     Intensity
    Ka1 (K - L3 )   57535.0   0.502037
    Ka2 (K - L2 )   56280.0   0.287485
    Ka3 (K - L1 )   55734.0   0.000198048
    Kb1 (K - M3 )   65222.0   0.108226
    Kb2 (K - N2,3 )   66952.6   0.0429242
    Kb3 (K - M2 )   64947.0   0.0560909
    Kb4 (K - N4,5 )   67178.1   0.000611209
    Kb5 (K - M4,5 )   65623.0   0.00242749
    La1 (L3 - M5 )   8146.0   0.718706
    La2 (L3 - M4 )   8088.0   0.0801745
    Lb1 (L2 - M4 )   9343.0   0.826671
    Lb2,15 (L3 - N4,5 )   9643.1   0.158035
    Lb3 (L1 - M3 )   9488.0   0.451047
    Lb4 (L1 - M2 )   9213.0   0.310909
    Lb6 (L3 - N1 )   9317.6   0.00912914
    Lg1 (L2 - N4 )   10898.1   0.155287
    Lg2 (L1 - N2 )   11218.6   0.0969666
    Lg3 (L1 - N3 )   11281.1   0.141077
    Ll (L3 - M1 )   7173.0   0.0339554
    Ln (L2 - M1 )   8428.0   0.0180424
    Ma (M5 - N6,7 )   1711.5   1.0
    Mb (M4 - N6 )   1769.5   0.997068
    Mg (M3 - N5 )   1967.6   1.0
    Mz (M4,5 - N2,3 )   1329.6   0.00293255