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Holmium single crystal 67Ho164.930
Holmium was discovered in 1878 by P.T. Cleve at Uppsala, Sweden, and independently by M. Delafontaine and J.L. Soret at Geneva, Switzerland.
[Greek: Holmia = Sweden] French: holmiumGerman: holmium
Italian: olmio
Spanish: holmio
Description: Holmium is a silvery metal of the so-called rare earth group (more correctly termed the lanthanides). It is slowly attacked by oxygen and water, and dissolves in acids. Holmium is used as a flux concentrator for high magnetic fields.
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% |