Chemical Formula: Er
Catalog Number: ST0013
CAS Number: 7440-52-0
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made
Atomic Weight: 167.259
Atomic Number: 68
Color/Appearance: Silvery White, Metallic
Thermal Conductivity: 15 W/m.K
Melting Point (°C): 1,529
Coefficient of Thermal Expansion: 12.2 x 10-6/K
Theoretical Density (g/cc): 9.05
Z Ratio: 0.74
Max Power Density*(Watts/Square Inch): 20
1. No bonding service is presently available for this material. 2. This material has high chemical activity when exposed to the environment. Oil packaging and clean procedure are required to prevent it from chemcial reactions.
Erbium is a chemical element originated from Ytterby, Sweden. It was first mentioned in 1842 and observed by G. Mosander. “Er” is the canonical chemical symbol of erbium. Its atomic number in the periodic table of elements is 68 with location at Period 6 and Group 3, belonging to the f-block. The relative atomic mass of erbium is 167.259(3) Dalton, the number in the brackets indicating the uncertainty.
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