Massive Selection for 99.99% YF3 granules - Lithium Fluoride LiF – Liche

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While using the "Client-Oriented" organization philosophy, a rigorous top quality command process, highly developed production devices and a potent R&D workforce, we normally provide high quality products, outstanding solutions and aggressive charges for 99.99% Ytterbium Fluoride YbF3, 99.99% Magnesium Fluoride MgF2, AlF3 crystal granules, Now we have established steady and long business relationships with customers from North America, Western Europe, Africa, South America, more than 60 countries and regions.

Massive Selection for 99.99% YF3 granules - Lithium Fluoride LiF – Liche Detail:

Lithium Fluoride

CAS Number: 7789-24-4

Product Purity: 99.99%min

Formula: LiF

Molecular Weight: 25.94

Melting point: 845°C

Density: 2.64 g/cm3

Size: 1-3mm, 2-5mm, 3-6mm or customized

Packing: 1kg/bag vacuum package or as customer’s require

Lithium fluoride is an inorganic compound with the chemical formula LiF. It is a colorless solid, that transitions to white with decreasing crystal size. Although odorless, lithium fluoride has a bitter-saline taste. Its structure is analogous to that of sodium chloride, but it is much less soluble in water. It is mainly used as a component of molten salts. Formation of LiF from the elements releases one of the highest energy per mass of reactants, only second to that of BeO.

Applications:

Optics

Because of the large band gap for LiF, its crystals are transparent to short wavelength ultraviolet radiation, more so than any other material. LiF is therefore used in specialized UV optics, (See also magnesium fluoride). Lithium fluoride is used also as a diffracting crystal in X-ray spectrometry.

Radiation detectors

It is also used as a means to record ionizing radiation exposure from gamma rays, beta particles, and neutrons in thermoluminescent dosimeters. LiF nanopowder enriched to 96% has been used as the neutron reactive backfill material for microstructured semiconductor neutron detectors (MSND) .

Nuclear reactors

Lithium fluoride (highly enriched in the common isotope lithium-7) forms the basic constituent of the preferred fluoride salt mixture used in liquid-fluoride nuclear reactors. Typically lithium fluoride is mixed with beryllium fluoride to form a base solvent (FLiBe), into which fluorides of uranium and thorium are introduced. Lithium fluoride is exceptionally chemically stable and LiF/BeF2 mixtures (FLiBe) have low melting points (360 C – 459 C) and the best neutronic properties of fluoride salt combinations appropriate for reactor use. MSRE used two different mixtures in the two cooling circuits.

Cathode for PLED and OLEDs

Lithium fluoride is widely used in PLED and OLED as a coupling layer to enhance electron injection. The thickness of LiF layer is usually around 1 nm. The dielectric constant (or relative permittivity) of LiF is 9.0

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