Chemical Formula: Ho
Catalog Number: ST0020
CAS Number: 7440-60-0
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made
Atomic Weight: 164.93032
Atomic Number: 67
Color/Appearance: Silvery White, Metallic
Thermal Conductivity: 16 W/m.K
Melting Point (°C): 1,474
Coefficient of Thermal Expansion: 11.2 x 10-6/K
Theoretical Density (g/cc): 8.8
Z Ratio: 0.58
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.
Holmium is a chemical element originated from Stockholm, Sweden (with the Latin nameHolmia). It was first mentioned in 1878 and observed by M. Delafontaine. “Ho” is the canonical chemical symbol of holmium. Its atomic number in the periodic table of elements is 67 with location at Period 6 and Group 3, belonging to the f-block. The relative atomic mass of holmium is 164.930 32(2) Dalton, the number in the brackets indicating the uncertainty.
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Quick delivery and good package. Perfect for film coating and sputter deposition.