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Cobalt single crystal 27Co58.933
Discovered in 1735 by Georg Brandt at Stockholm, Sweden.
[German: kobald = goblin]
French: cobalt
German: kobalt
Italian: cobalto
Spanish: cobalto
Description: Cobalt is a lustrous, silvery-blue, hard metal which is also ferromagnetic. It is stable in air, unaffected by water, but slowly attacked by dilute acids. 60Co is a useful radioisotope. Cobalt is used in alloys for magnets, in ceramics, in catalysts and in paints.
| Metal single crystal properties | ||
|---|---|---|
| State: | single crystal | |
| Crystal structure: | hexagonal | |
| Production method: | Czochralski | |
| Standard size: | diameter 8-10mm thickness 1-2mm |
|
| Orientation: | (0001), (1-100) and (11-20) | |
| 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% | |
| Typical analysis (ppm): | Ag 0.3 Al 0.42 As 2.2 C 5.5 Ca 0.08 Cl 0.27 Cu 0.46 Cr 5.9 Fe 17 Mg 0.76 |
Mn 0.07 Mo < 0.1 N 0.24 Na 0.44 Ni 22 O 11.0 S 1.3 Si 2.9 Ti 1.1 Zn 0.2 Co balance |