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Hafnium Single Crystal 72Hf178.49
Discovered in 1923 by D. Coster and G.C. von Hevesey at Copenhagen, Denmark.
[Latin: Hafnia = Copenhagen] French: hafniumGerman: hafnium
Italian: afnio
Spanish: hafnio
Description: Hafnium is a lustrous, silvery, ductile metal that resists corrosion due to an oxide film on its surface. However, powdered hafnium will burn in air. The metal is unaffected by acids (except HF) and alkali's. It is used in control rods for nuclear reactors, and in high temperature alloys and ceramics.
| Metal single crystal properties | |
|---|---|
| State: | single crystal |
| Crystal structure: | hexagonal |
| Production method: | Floating zone |
| Standard size: | diameter 7-8mm thickness 1mm |
| Orientation: | (0001) |
| Orientation accuracy: | <2°, <1°, <0.5° or <0.1° |
| Polishing: | as cut, one or two sides polished |
| Roughness of surface: | <0.03µm |
| Purity: | 99.99% |