Dysprosium Fluoride DyF3
Product Properties
Name: Dysprosium Fluoride
Formula: DyF3
CAS No.: 13569-80-7
Molecular Weight: 219.50
Density: 5.948 g/cm3
Melting point: 1360°C
Appearance: White powder, pieces
Specification of Dysprosium Fluoride
Dy2O3 /TREO (% min.) | 99.999 | 99.99 | 99.9 | 99 |
TREO (% min.) | 81 | 81 | 81 | 81 |
Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
Gd2O3/TREO Tb4O7/TREO Ho2O3/TREO Er2O3/TREO Tm2O3/TREO Yb2O3/TREO Lu2O3/TREO Y2O3/TREO | 1 5 5 1 1 1 1 5 | 20 20 150 20 20 20 20 20 | 0.0051 0.03 0.05 0.022 0.005 0.005 0.03 0.005 | 0.05 0.22 0.3 0.3 0.3 0.3 0.3 0.05 |
Non-Rare Earth Impurities | ppm max. | ppm max. | % max. | % max. |
Fe2O3 SiO2 CaO CuO NiO ZnO PbO Cl- | 5 50 30 5 1 1 1 50 | 10 50 80 5 3 3 3 100 | 0.001 0.015 0.013 0.01 | 0.003 0.031 0.03 0.02 |
Application of Dysprosium Fluoride
Glass Additives and Optical Materials: Dysprosium fluoride is used as an additive in the manufacture of special glasses and optical materials. Its addition can modify the optical properties of glass, such as its refractive index and absorption characteristics, making it suitable for lenses, prisms, and optical fibers used in telecommunications, lasers, and other high-tech optical systems.
Lasers: DyF₃ is used in the doping of laser materials. Dysprosium-doped crystals or glasses can be utilized in solid-state lasers that operate at specific wavelengths. These lasers find applications in medical procedures, materials processing, and scientific research.
Nuclear Reactors: Similar to other dysprosium compounds, dysprosium fluoride can be used in nuclear technology due to its high neutron absorption cross-section. It may be involved in the production of control rods or other components that require materials capable of absorbing neutrons to regulate nuclear reactions safely.
Phosphors: In the field of luminescence, dysprosium fluoride is employed as a dopant in phosphors for color television tubes, fluorescent lamps, and white LEDs. It contributes to the generation of bright, white light or specific colors when excited by electrons or ultraviolet light, enhancing the efficiency and color quality of displays and lighting.
Magneto-Optical Materials: Dysprosium fluoride is explored for use in magneto-optical recording materials. Its unique magnetic properties can be leveraged in the development of materials for data storage solutions that require high-density recording and fast data retrieval.