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) |
Width (eV) |
Fluorescence Yield |
Edge Jump |
| K |
57486.0 |
28.400 |
0.97723 |
5.353 |
| L1 |
9751.0 |
5.430 |
0.10000 |
1.154 |
| L2 |
9264.0 |
4.730 |
0.20000 |
1.400 |
| L3 |
8358.0 |
4.350 |
0.19200 |
2.692 |
| M1 |
2206.0 |
15.496 |
0.00110 |
1.040 |
| M2 |
2006.0 |
11.000 |
0.00189 |
1.058 |
| M3 |
1812.0 |
11.000 |
0.00152 |
1.153 |
| M4 |
1453.0 |
2.160 |
0.00733 |
1.150 |
| M5 |
1409.0 |
1.457 |
0.01203 |
1.475 |
| N1 |
449.8 |
13.059 |
0.00004 |
1.094 |
| N2 |
366.2 |
10.681 |
0.00007 |
1.005 |
| N3 |
320.2 |
10.681 |
0.00006 |
1.113 |
| N4 |
167.6 |
5.048 |
0.00010 |
1.088 |
| N5 |
167.6 |
5.048 |
0.00010 |
1.088 |
| N6 |
4.7 |
0.001 |
0.00000 |
1.000 |
| N7 |
4.7 |
0.001 |
0.00000 |
1.000 |
| O1 |
50.6 |
0.100 |
0.00000 |
1.000 |
| O2 |
31.4 |
0.100 |
0.00000 |
1.000 |
| O3 |
24.7 |
0.100 |
0.00000 |
1.000 |
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X-ray fluorescence lines for Er
| Line |
Energy (eV) |
Intensity |
| Ka1 (K - L3 ) |
49128.0 |
0.50891 |
| Ka2 (K - L2 ) |
48222.0 |
0.28643 |
| Ka3 (K - L1 ) |
47735.0 |
0.00013 |
| Kb1 (K - M3 ) |
55674.0 |
0.10366 |
| Kb2 (K - N2,3 ) |
57119.8 |
0.04478 |
| Kb3 (K - M2 ) |
55480.0 |
0.05364 |
| Kb4 (K - N4,5 ) |
57318.4 |
0.00049 |
| Kb5 (K - M4,5 ) |
56033.0 |
0.00195 |
| La1 (L3 - M5 ) |
6949.0 |
0.73157 |
| La2 (L3 - M4 ) |
6905.0 |
0.08156 |
| Lb1 (L2 - M4 ) |
7811.0 |
0.83363 |
| Lb2,15 (L3 - N4,5 ) |
8190.4 |
0.14667 |
| Lb3 (L1 - M3 ) |
7939.0 |
0.47134 |
| Lb4 (L1 - M2 ) |
7745.0 |
0.29923 |
| Lb6 (L3 - N1 ) |
7908.2 |
0.00812 |
| Lg1 (L2 - N4 ) |
9096.4 |
0.14782 |
| Lg2 (L1 - N2 ) |
9384.8 |
0.09347 |
| Lg3 (L1 - N3 ) |
9430.8 |
0.13596 |
| Ll (L3 - M1 ) |
6152.0 |
0.03209 |
| Ln (L2 - M1 ) |
7058.0 |
0.01855 |
| Ma (M5 - N6,7 ) |
1404.3 |
1.00000 |
| Mb (M4 - N6 ) |
1448.3 |
0.99707 |
| Mg (M3 - N5 ) |
1644.4 |
1.00000 |
| Mz (M4,5 - N2,3 ) |
1086.8 |
0.00293 |
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