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Zinc Selenide (ZnSe) Evaporation Material, Pieces, 99.99%, 1-3 mm
Product Type: Compound Evaporation Material
Research-grade laboratory product
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LABORATORY PROCUREMENT SUPPORT
For material selection, deposition-source matching, pack-size confirmation or quotation support, contact our technical sales team.
INQUIRY: inquiry@atomfair.com
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Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
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Zinc selenide evaporation material requires vacuum thin-film deposition using thermal or low-power electron beam methods. Deposition source hardware must be compatible with the material's melting point above 1100°C and Z-ratio of 0.722.
- Evaporation Source Compatibility: Use quartz, alumina, or graphite crucibles, tantalum or tungsten boats, or Knudsen cells for evaporation.
- Particle Size Constraint: The 1-3 mm piece size facilitates loading into evaporation sources but requires confirmation of source geometry.
- Purity Requirement: The 99.99% purity specification supports consistent film composition but requires careful handling to avoid contamination.
- Melting Point and Density Considerations: The melting point above 1100°C and density of 5.42 g/cm³ influence source temperature requirements and deposition rate monitoring.
What is the significance of the Z-ratio value of 0.722 for ZnSe evaporation material?
The Z-ratio of 0.722 is a material-specific acoustic impedance factor used in quartz crystal microbalance (QCM) monitoring to correct for the difference between the deposited material and the quartz crystal. This value is essential for accurate thickness measurement during thermal evaporation or low-power e-beam deposition of ZnSe, as stated in the product specifications.
What crucible or boat materials are recommended for evaporating ZnSe pieces?
ZnSe evaporation material is compatible with quartz, alumina, or graphite crucibles, as well as tantalum or tungsten boats. For thermal evaporation, a Ta/W boat or Knudsen cell is suitable by RFQ; for low-power e-beam deposition, tantalum or molybdenum hardware is recommended. These options are listed in the evaporation source specifications.
What is the melting point of ZnSe and how does it affect the deposition process?
The melting point of ZnSe is >1100°C, requiring high-temperature evaporation sources such as graphite crucibles or tantalum/tungsten boats. This high melting point influences the power requirements for thermal evaporation and e-beam deposition, and the material's density of 5.42 g/cm³ and Z-ratio of 0.722 should be considered for process control, as specified in the technical data.
Zinc Selenide (ZnSe) evaporation material in 1-3 mm pieces at 99.99% purity is evaluated for thermal evaporation and low-power e-beam deposition, with a melting point above 1100°C and density of 5.42 g/cm³, requiring careful crucible or boat selection to match its Z-ratio of 0.722.
Positive
- High purity for consistent films: The 99.99% purity specification minimizes contamination in deposited thin films, supporting reproducible optical or electronic properties in research-grade coatings.
- Defined piece size for source loading: The 1-3 mm piece size facilitates uniform loading into crucibles or boats, reducing void formation and promoting stable evaporation rates during thermal or e-beam processes.
Trade-offs
- High melting point requires robust hardware: With a melting point above 1100°C, the material necessitates high-temperature crucibles (quartz, alumina, graphite) or refractory metal boats, limiting compatibility with standard low-power e-beam systems without RFQ confirmation.
- Z-ratio demands process calibration: The Z-ratio of 0.722 requires precise quartz crystal microbalance calibration for accurate thickness monitoring, adding setup complexity for labs without prior ZnSe deposition experience.
Every advanced material, component, equipment, and instrument in our catalog is backed by rigorous testing. We maintain strict internal quality management frameworks and align with CE conformity metrics to deliver transparent, reproducible performance data via our public open-science repository.
To request raw batch performance data, submit formal vendor registration paperwork, or execute a fast-turnaround R&D manufacturing loop, contact us at inquiry@atomfair.com.
Item is dispatched under the Atomfair Shipping & Delivery Framework (Free worldwide shipping on orders over $59 USD excl. heavy equipment). Return is governed by the Atomfair Return & Refund Policy (7-day technical return window).
