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strontium-fluoride

VD0790 Strontium Fluoride Evaporation Materials, SrF2

Catalog No.VD0790
MaterialStrontium Fluoride (SrF2)
Purity99.9%
ShapePowder/ Granule/ Custom-made

TFM is a top provider of high-purity strontium fluoride evaporation materials and an extensive selection of other evaporation products. We supply these materials in both powder and granule forms, and we can also accommodate custom requests for specialized formats.

MSDS File

Overview of Strontium Fluoride Evaporation Materials

TFM provides high-quality strontium fluoride (SrF2) evaporation materials, a specialized fluoride ceramic essential for various thin-film deposition processes. These materials, known for their high purity levels of up to 99.9995%, ensure that deposition results in superior film quality. TFM has a strong reputation for utilizing advanced quality control measures to produce highly reliable evaporation materials.

Product Variants

  • Related Products: Samarium Evaporation Materials, Fluoride Ceramic Evaporation Materials

Strontium Fluoride Evaporation Materials Specification

Material TypeStrontium Fluoride
SymbolSrF2
Appearance/ColorWhite solid
Melting Point1,473 °C (2,683 °F; 1,746 K)
Density4.24 g/cm3
Purity99.9%
ShapePowder/ Granule/ Custom-made

Applications of Strontium Fluoride in Deposition Processes

Strontium fluoride is widely used in thin-film deposition technologies, such as semiconductor fabrication, chemical vapor deposition (CVD), and physical vapor deposition (PVD). These materials are primarily applied in optical coatings, including wear-resistant layers, decorative coatings, and display technologies, due to their high durability and performance.

Packaging and Handling

TFM ensures that strontium fluoride evaporation materials are meticulously labeled and packaged for easy identification and to maintain product integrity. Proper measures are taken to prevent any damage during storage or transport, ensuring that the materials arrive in optimal condition.

Contact TFM for Custom Orders

As a leading provider of high-purity strontium fluoride evaporation materials, TFM offers these products in various shapes, including tablets, granules, rods, and wires. Customized forms and quantities can be tailored to meet specific project requirements. TFM also provides complementary products such as evaporation sources, filaments, crucibles, and e-beam crucible liners. For inquiries regarding pricing or other unlisted materials, feel free to reach out to us directly.

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FAQ

  • They are high‐purity substances (e.g. metals, alloys, or compounds) used in thermal or electron‐beam evaporation processes to form thin films on substrates.

  • Typically, they’re processed into a form (often ingots, pellets, or wires) that can be efficiently vaporized. Preparation emphasizes high purity and controlled composition to ensure film quality.

  • Thermal evaporation and electron-beam (e-beam) evaporation are the two main techniques, where material is heated (or bombarded with electrons) until it vaporizes and then condenses on the substrate.

  • Thermal evaporation heats the material directly (often using a resistive heater), while e-beam evaporation uses a focused electron beam to locally heat and vaporize the source material—each method offering different control and energy efficiency.

  • Key parameters include source temperature, vacuum level, deposition rate, substrate temperature, and the distance between the source and the substrate. These factors influence film uniformity, adhesion, and microstructure.

  • Evaporation generally produces high-purity films with excellent control over thickness, and it is especially suitable for materials with relatively low melting points or high vapor pressures.

  • Challenges include issues with step coverage (due to line-of-sight deposition), shadowing effects on complex topographies, and possible re-evaporation of material from the substrate if temperature isn’t properly controlled.

  • Common evaporation materials include noble metals (e.g., gold, silver), semiconductors (e.g., silicon, germanium), metal oxides, and organic compounds—each chosen for its specific optical, electrical, or mechanical properties.

  • Selection depends on desired film properties (conductivity, optical transparency, adhesion), compatibility with the evaporation process, and the final device application (semiconductor, optical coating, etc.).

  • Optimizing substrate temperature, deposition rate, and chamber vacuum are critical for ensuring that the film adheres well and forms the intended microstructure without defects.

  • Troubleshooting may involve checking the source material’s purity, ensuring stable source temperature, verifying the vacuum level, adjusting the substrate’s position or temperature, and monitoring deposition rate fluctuations.

While evaporation tends to yield very high purity films with excellent thickness control, it is limited by its line-of-sight nature. In contrast, sputtering can deposit films more uniformly on complex surfaces and is more versatile for a broader range of materials.

 

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