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) |
Width (eV) |
Fluorescence Yield |
Edge Jump |
| K |
38925.0 |
14.100 |
0.92779 |
5.863 |
| L1 |
6266.0 |
4.060 |
0.05500 |
1.151 |
| L2 |
5891.0 |
3.680 |
0.10300 |
1.400 |
| L3 |
5483.0 |
3.410 |
0.10400 |
2.868 |
| M1 |
1362.0 |
11.239 |
0.00084 |
1.040 |
| M2 |
1209.0 |
6.242 |
0.00110 |
1.058 |
| M3 |
1128.0 |
6.242 |
0.00099 |
1.146 |
| M4 |
853.0 |
0.929 |
0.00270 |
1.085 |
| M5 |
836.0 |
0.820 |
0.00000 |
1.271 |
| N1 |
274.7 |
6.520 |
0.00002 |
1.164 |
| N2 |
205.8 |
3.625 |
0.00011 |
1.005 |
| N3 |
196.0 |
3.625 |
0.00009 |
1.512 |
| N4 |
105.3 |
0.230 |
0.00014 |
1.000 |
| N5 |
102.5 |
0.230 |
0.00014 |
1.000 |
| O1 |
34.3 |
0.100 |
0.00000 |
1.000 |
| O2 |
19.3 |
0.100 |
0.00000 |
1.000 |
| O3 |
16.8 |
0.100 |
0.00000 |
1.000 |
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X-ray fluorescence lines for La
| Line |
Energy (eV) |
Intensity |
| Ka1 (K - L3 ) |
33442.0 |
0.52650 |
| Ka2 (K - L2 ) |
33034.0 |
0.28663 |
| Ka3 (K - L1 ) |
32659.0 |
0.00055 |
| Kb1 (K - M3 ) |
37797.0 |
0.09625 |
| Kb2 (K - N2,3 ) |
38719.2 |
0.03843 |
| Kb3 (K - M2 ) |
37716.0 |
0.04982 |
| Kb4 (K - N4,5 ) |
38819.7 |
0.00040 |
| Kb5 (K - M4,5 ) |
38072.0 |
0.00142 |
| La1 (L3 - M5 ) |
4647.0 |
0.73221 |
| La2 (L3 - M4 ) |
4630.0 |
0.08152 |
| Lb1 (L2 - M4 ) |
5038.0 |
0.85012 |
| Lb2,15 (L3 - N4,5 ) |
5377.7 |
0.15128 |
| Lb3 (L1 - M3 ) |
5138.0 |
0.49590 |
| Lb4 (L1 - M2 ) |
5057.0 |
0.29389 |
| Lb6 (L3 - N1 ) |
5208.3 |
0.00573 |
| Lg1 (L2 - N4 ) |
5785.7 |
0.12710 |
| Lg2 (L1 - N2 ) |
6060.2 |
0.09001 |
| Lg3 (L1 - N3 ) |
6070.0 |
0.12020 |
| Ll (L3 - M1 ) |
4121.0 |
0.02927 |
| Ln (L2 - M1 ) |
4529.0 |
0.02279 |
| Ma (M5 - N6,7 ) |
836.0 |
1.00000 |
| Mb (M4 - N6 ) |
853.0 |
0.99707 |
| Mg (M3 - N5 ) |
1025.5 |
1.00000 |
| Mz (M4,5 - N2,3 ) |
647.2 |
0.00293 |
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