Description & History
er·bi·um (1843):
a metallic element of the rare-earth group that occurs with yttrium
|
|
Element
| Symbol | Er |
| Z | 68 |
| Atomic Weight | 167.270004 |
|---|
| Density | 9.05099964 |
|
Edge Energies
(keV)
| K | 57.4860001 |
|---|
| L1 | 9.75199986 |
|---|
| L2 | 9.26500034 |
|---|
| L3 | 8.3579998 |
|---|
| M | 2.21199989 |
|---|
| K-alpha | 49.098999 |
|---|
| K-beta | 55.6899986 |
|---|
| L-alpha | 7.18100023 |
|---|
| L-beta | 8.10299969 |
|---|
|
Edge jumps
| K | 5.49967003 |
|---|
| L1 | 1.15967143 |
|---|
| L2 | 1.40999997 |
|---|
| L3 | 2.93300009 |
|---|
|
Fluorescence
yield
| K | 0.947000027 |
|---|
| L1 | 0.100000001 |
|---|
| L2 | 2.21199989 |
|---|
| L3 | 49.098999 |
|---|
|
