Lithium Fluoride

Lithium Fluoride Sputtering Target is a target material used in the process of sputtering to deposit thin films of lithium fluoride onto various substrates. Lithium fluoride is an inorganic compound that is highly ionic and has distinct properties that make it suitable for applications in electronics, optics, and other advanced materials fields.

Physical Properties:

Chemical formula：LiF

Molar mass：25.939(2) g/mol

Appearance：white powder or transparent crystals,hygroscopic

Density：2.635 g/cm3

Melting point：845 °C (1,553 °F; 1,118 K)

Boiling point：1,676 °C (3,049 °F; 1,949 K)

Solubility in water“0.127 g/100 mL (18 °C)/0.134 g/100 mL (25 °C)

Solubility：soluble in HF; insoluble in alcohol

Magnetic susceptibility (χ)：−10.1·10−6 cm3/mol

Refractive index (nD)：1.3915

Crystal structure：Face-centered cubic

Applications:

Thin Film Deposition: The primary use of lithium fluoride sputtering targets is in the deposition of thin films in the sputtering process. LiF thin films are used in applications such as:

• Optical Coatings: Lithium fluoride films are used in optics for UV coatings, anti-reflective coatings, and lenses. Due to its transparency in the ultraviolet spectrum, it is commonly employed in devices such as UV windows and optical filters.
• Dielectric Materials: LiF thin films are sometimes used in capacitors, semiconductors, and other electronic components where high dielectric strength and electrical insulation are required.
• Barrier Layers: LiF is used in barrier layers for certain types of flexible electronics and for protecting underlying materials in various semiconductor devices.
• Ion-Exchange and Battery Applications: LiF coatings are also used in some ion-exchange and battery technologies to improve the performance of certain electrodes or membranes.

Semiconductor Devices: Lithium fluoride sputtering target is occasionally employed in the fabrication of semiconductors, including as part of the dielectric layers in transistors and other semiconductor devices.

Solar Cells: Lithium fluoride sputtering target is also used in some thin-film solar cell technologies, where its unique properties can help improve energy efficiency or stability.