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 La
 Property     Value 
  Atomic Number:   57
  Atomic Mass:   138.905
  Density (gm / cm^3):   6.162
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X-ray absorption edges for La
  Edge     Energy (eV)     Fluorescence Yield   Edge Jump
    K   38925.0   0.927789   5.863
    L1   6266.0   0.055   1.1506
    L2   5891.0   0.103   1.4
    L3   5483.0   0.104   2.868
    M1   1362.0   0.00084   1.04
    M2   1209.0   0.0011   1.058
    M3   1128.0   0.00099   1.14601
    M4   853.0   0.0027   1.085
    M5   836.0   0.0   1.271
    N1   274.7   2.3e-05   1.16446
    N2   205.8   0.00011   1.005
    N3   196.0   8.5e-05   1.512
    N4   105.3   0.00014   1.0
    N5   102.5   0.00014   1.0
    O1   34.3   0.0   1.0
    O2   19.3   0.0   1.0
    O3   16.8   0.0   1.0
X-ray fluorescence lines for La
  Line     Energy (eV)     Intensity
    Ka1 (K - L3 )   33442.0   0.526502
    Ka2 (K - L2 )   33034.0   0.286632
    Ka3 (K - L1 )   32659.0   0.000549194
    Kb1 (K - M3 )   37797.0   0.0962498
    Kb2 (K - N2,3 )   38719.2   0.0384346
    Kb3 (K - M2 )   37716.0   0.0498202
    Kb4 (K - N4,5 )   38819.7   0.00039614
    Kb5 (K - M4,5 )   38072.0   0.0014165
    La1 (L3 - M5 )   4647.0   0.73221
    La2 (L3 - M4 )   4630.0   0.081515
    Lb1 (L2 - M4 )   5038.0   0.850117
    Lb2,15 (L3 - N4,5 )   5377.7   0.151284
    Lb3 (L1 - M3 )   5138.0   0.495905
    Lb4 (L1 - M2 )   5057.0   0.293892
    Lb6 (L3 - N1 )   5208.3   0.00572588
    Lg1 (L2 - N4 )   5785.7   0.127097
    Lg2 (L1 - N2 )   6060.2   0.0900067
    Lg3 (L1 - N3 )   6070.0   0.120197
    Ll (L3 - M1 )   4121.0   0.0292651
    Ln (L2 - M1 )   4529.0   0.022786
    Ma (M5 - N6,7 )   836.0   1.0
    Mb (M4 - N6 )   853.0   0.997068
    Mg (M3 - N5 )   1025.5   1.0
    Mz (M4,5 - N2,3 )   647.2   0.00293255