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VD0580 Strontium Evaporation Materials, Sr

Material Type：Strontium
Symbol：Sr
Color/Appearance：Silvery White, Metallic
Purity：99.5% ~ 99.9%
Shape：Pieces / Powder / Granule / Custom-made

TFM is a premier manufacturer and supplier of high-purity strontium evaporation materials, as well as a wide array of other evaporation materials. We offer these materials in both powder and granule forms, with customized options available upon request.

MSDS File

Strontium Evaporation Materials Description

Strontium is a silver-white alkaline earth metal with a distinct yellow luster. As the second least abundant element in the alkaline earth metal group, following beryllium, strontium is typically obtained through the electrolysis of molten strontium chloride. It finds applications in manufacturing alloys, photocells, pyrotechnics, and chemical reagents.

In deposition processes, high-purity strontium evaporation materials are essential for achieving high-quality deposited films. TFM specializes in producing strontium evaporation materials with purity levels up to 99.9%, using rigorous quality assurance processes to ensure the reliability and excellence of our products.

strontium evaporation materials

Strontium Evaporation Materials Specification

Material TypeStrontium
SymbolSr
Color/AppearanceSilvery White, Metallic
Melting Point769 °C
Density2.64 g/cc
Thermal Conductivity35 W/m.K
Coefficient of Thermal Expansion22.5 x 10-6/K
SynonymsStrontium Pellets, Strontium Pieces, Strontium Evaporation Pellet, Sr Pellets, Sr Pieces, Sr Evaporation Pellet

Strontium Evaporation Materials Application

  • Deposition Processes: Strontium evaporation materials are utilized in various deposition techniques, including semiconductor deposition, chemical vapor deposition (CVD), and physical vapor deposition (PVD).
  • Optics: They are also employed in optics for applications such as wear protection, decorative coatings, and display technologies.

Strontium Evaporation Materials Packaging

We meticulously handle our strontium evaporation materials to prevent any damage during storage and transportation, ensuring that their quality is preserved in their original condition.

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TFM offers strontium evaporation materials in a range of forms, purities, sizes, and prices. We focus on producing high-purity e-beam evaporation materials with the highest density and smallest average grain sizes. For current pricing on evaporation pellets and other deposition materials not listed, please reach out to us for more information.

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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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