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Zinc Selenide Evaporation Materials

VD0855 Zinc Selenide Evaporation Materials, ZnSe

Catalog No.VD0855
MaterialZinc Selenide
Purity99.9% ~ 99.999%
ShapePowder/ Granule/ Custom-made

At TFM, we pride ourselves on being a top-tier provider of high-purity zinc selenide evaporation materials. Our extensive range of evaporation materials includes both powder and granule forms to meet various application needs. We also offer customized options to cater to specific requirements upon request.

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Zinc Selenide Evaporation Materials Overview

Zinc selenide (ZnSe) is a widely used material in infrared optics, known for its yellow to red hue. With a melting point exceeding 1,100°C and a density of 5.42 g/cm³, it is a robust choice for various optical applications. ZnSe evaporation materials are essential in producing high-quality infrared coatings, particularly for night vision technologies. The material is evaporated under vacuum conditions to ensure precision in infrared optical coatings. TFM is recognized for delivering zinc selenide materials with purity levels reaching up to 99.9995%, backed by rigorous quality assurance processes to ensure top-tier reliability.

Zinc Selenide Evaporation Materials Specifications

Material TypeZinc Selenide
SymbolZnSe
Appearance/ColorLight yellow solid
Melting Point>1,100 °C
Density5.27 g/cm3
Purity99.9% ~ 99.999%
ShapePowder/ Granule/ Custom-made

Applications of Zinc Selenide Evaporation Materials

Zinc selenide evaporation materials are pivotal in various deposition techniques, including semiconductor deposition, chemical vapor deposition (CVD), and physical vapor deposition (PVD). They are primarily used for optical applications, such as wear-resistant coatings, decorative finishes, and display technologies.

Packaging and Handling

To ensure optimal quality and prevent damage during storage and transport, zinc selenide evaporation materials are meticulously tagged and labeled. This careful packaging process supports efficient identification and quality control.

Contact Us

TFM stands out as a premier manufacturer and supplier of high-purity zinc selenide evaporation materials. We offer various forms, including tablets, granules, rods, and wires, with custom options available upon request. In addition to evaporation materials, we provide a range of related products such as evaporation sources, boats, filaments, crucibles, heaters, and e-beam crucible liners. For current pricing and additional product inquiries, please reach out to us.

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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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