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VD0591 Zinc Evaporation Materials, Zn

Material Type：Zinc
Symbol：Zn
Color/Appearance：Bluish Pale Gray, Metallic
Purity：99.9% ~ 99.995%
Shape：Powder/ Granule/ Custom-made

TFM is a leading manufacturer and supplier of high-purity zinc evaporation materials, along with a diverse range of other evaporation materials. We provide these materials in both powder and granule forms, with customized options available upon request.

MSDS File

Introduction

Zinc Evaporation Materials (Zn) are widely used in vacuum deposition processes for producing conductive, protective, and functional thin films. With its relatively low melting point and stable vapor pressure characteristics, zinc is particularly suitable for thermal evaporation and high-throughput coating systems.

Zinc thin films are commonly applied in electronics, optoelectronics, galvanic protection layers, and compound semiconductor fabrication. High-purity Zn evaporation materials ensure controlled film growth, reduced contamination, and reliable electrical performance.

Detailed Description

Zinc (Zn) is a metallic element with a melting point of approximately 419.5 °C and a boiling point of about 907 °C, making it ideal for thermal evaporation under vacuum conditions. Its moderate vapor pressure enables efficient deposition rates without requiring extreme power input.

Zinc evaporation materials are available in:

  • Pellets

  • Granules

  • Pieces or chunks

  • Custom-cut slugs

High-purity grades (99.9% – 99.999%) are offered to support semiconductor and optoelectronic applications. Low impurity levels help reduce film defects and improve electrical uniformity.

Key material characteristics include:

  • Excellent thermal evaporation behavior

  • Good electrical conductivity

  • Strong adhesion to glass and silicon substrates

  • Compatibility with reactive deposition processes

Zinc is frequently used in reactive evaporation with oxygen to form ZnO thin films, or co-evaporated with other elements (such as indium or sulfur) to produce compound semiconductors like ZnS or ZnIn-based materials.

Applications

Zinc Evaporation Materials are widely used in:

  • Zinc oxide (ZnO) thin film deposition

  • Transparent conductive oxide research

  • Galvanic and protective coatings

  • Compound semiconductor fabrication (ZnS, ZnSe)

  • Infrared and optical coating systems

  • Thin film photovoltaic research

  • Electronic and sensor devices

ZnO thin films, in particular, are valued for their transparency, conductivity, and piezoelectric properties.

Technical Parameters

ParameterTypical Value / RangeImportance
Chemical SymbolZnDefines elemental deposition material
Purity99.9% – 99.999%Higher purity improves film quality
FormPellets / Granules / PiecesCompatible with various crucibles
Melting Point~419.5 °CSuitable for thermal evaporation
Density~7.14 g/cm³Relevant for deposition rate control
Deposition MethodThermal / Reactive EvaporationEnables metallic or oxide film growth

Custom sizes and batch quantities can be tailored to specific deposition system requirements.

Comparison with Related Evaporation Materials

MaterialKey AdvantageTypical Application
Zinc (Zn)Efficient thermal evaporationZnO & protective films
Aluminum (Al)High conductivityMetallization layers
Tin (Sn)Low melting pointTransparent conductive oxides
Magnesium (Mg)Lightweight metal filmsOptical coatings

Compared to aluminum, zinc offers easier thermal evaporation at lower temperatures and is particularly suitable for oxide-based functional films.

FAQ

QuestionAnswer
Is zinc suitable for simple thermal evaporation?Yes, its low melting point makes it highly suitable for thermal evaporation.
Can it be used for ZnO film growth?Yes, reactive evaporation in oxygen atmosphere is commonly used for ZnO deposition.
Is high purity necessary?For semiconductor and optical applications, high purity is strongly recommended.
Does zinc oxidize easily?Surface oxidation may occur; storage in dry, sealed packaging is recommended.
Are custom pellet sizes available?Yes, sizes and forms can be customized for your equipment.

Packaging

Our Zinc Evaporation Materials are meticulously tagged and labeled externally to ensure efficient identification and maintain high standards of quality control. Materials are typically vacuum-sealed or packed in moisture-resistant containers to prevent oxidation during storage and transport.

Conclusion

Zinc Evaporation Materials (Zn) provide a reliable and efficient solution for metallic and oxide thin film deposition. With controlled purity, stable evaporation behavior, and flexible customization options, they support applications in electronics, optics, photovoltaics, and advanced research.

For detailed specifications and a quotation, please contact us at sales@thinfilmmaterials.com.

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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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