Ytterbium brand, chemical structure
Ytterbium — element of group III of the sixth period table of chemical elements, where it is marked with the symbol Yb. Atomic number 70. It is a light grey metal belongs to the yttrium subgroup rare earth metals To t° 792 °C it has cubic α-lattice type of copper, but at a higher temperature becomes β-volume-centered lattice, such α-Fe. The contents in the lithosphere 0.33 g/t ytterbium Most abundant hydrothermal minerals and granite pegmatites. The main methods of obtaining this element is the restoration of the oxide Yb2 O3 with carbon or lanthanum in a vacuum, or by electrolysis of the molten chloride, YbCl3.
|Atomic number Eu||Atomic (molar) mass, g/mol||The degree of oxidation||Density [g/cm3]||The melting temperature t°C||The boiling point of t°C||The heat of fusion kJ/kg|
|No. 70||173||2, 3||7||824°C||1193°C||3,25|
This element has found its place in electronics, the nuclear industry, in the production of thermoelectric materials. Ions of ytterbium to generate the laser infrared radiation with wavelength up to 1070 nm. Oxide Yb2 O3 is used in the fabrication of powerful fiber lasers. The single crystal alloy of the fluorides of barium and ytterbium YbF3 doped with holmium is also used in the manufacture of lasers. Ytterbium is widely used in production of magnetic alloys. Borate ytterbium is used for manufacturing special glasses and enamels required in the nuclear industry. In electronics it serves as a dielectric for receipt of MIS structures. During the neutron irradiation ytterbium turns into a nuclear reactor in the hafnium isomer, which can also be used as the energy accumulator, however, these developments are still at the theoretical stage. Ytterbium serves as getpagetitle in electro-vacuum devices. On the basis of the produced phosphors, (crystal). They alloyed special alloys. This rare earth element is color metal, available in the form of circle, wire, sheet.
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