Barium fluoride
Barium fluoride, identified by CAS number 7787-32-8, is an inorganic compound appearing as a white crystalline powder or transparent cubic crystal. It is characterized by its relatively low solubility in water and high stability under various environmental conditions. As an alkaline earth metal halide, it possesses a high density and a wide bandgap, making it a critical material in specialized optical and electronic applications where transparency and durability are paramount.
In industrial and research settings, barium fluoride is valued for its exceptional transparency across a broad spectral range, extending from the vacuum ultraviolet to the infrared spectrum. While it is a robust material, it requires precise handling due to its inherent toxicity and potential for irritation. Proper storage and safety protocols are essential to manage its reactivity with strong acids and to ensure its integrity in high-performance systems, particularly in sensitive laboratory environments.
• Barium fluoride is extensively utilized in the production of high-performance optical components, such as lenses, windows, and prisms. Its broad transmission range from 150 nm to 12 µm makes it ideal for infrared spectroscopy and thermal imaging systems. It is particularly favored in applications requiring resistance to high-energy radiation, though it remains sensitive to thermal shock.
• The material serves as a vital fast scintillator in high-energy physics and medical imaging, such as Positron Emission Tomography (PET). Its ability to detect gamma rays and X-rays with a very fast decay component allows for precise timing measurements. This characteristic is crucial for research involving sub-nanosecond timing requirements and radiation detection in complex particle accelerators.
• In metallurgical processes, barium fluoride acts as a specialized fluxing agent and a component in welding electrode coatings. It helps in refining metals by lowering the melting point of slags and improving the fluidity of the melt. Additionally, it is employed as a precursor in the synthesis of other barium-containing compounds and as a catalyst in certain organic fluorination reactions.
• Within the electronics and semiconductor industries, it is used as a thin-film dielectric material and a substrate for growing epitaxial layers. Its lattice constant is compatible with various semiconductors, facilitating the development of advanced microelectronic devices and solid-state sensors that operate under demanding conditions.
Product Name: Barium fluoride
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