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Hafnium (Hf) Evaporation Material, Pellets, 99.99%, 1-3 mm
Product Type: Pure Metal 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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The pellets must be used with a water-cooled copper e-beam hearth and compatible liners such as graphite, Al2O3, BN, or Ta. Evaporation via e-beam is the preferred method, and deposition-source matching must be confirmed before use.
- Deposition Source Compatibility: Confirm the evaporation source geometry and liner material (graphite, Al2O3, BN, Ta) are compatible with Hafnium pellets to avoid contamination or damage.
- Evaporation Method: Use e-beam evaporation as the preferred method due to the material's high melting point and controlled evaporation characteristics.
- Procurement Validation: Verify the model, purity, form, size range, and pack size against the deposition source requirements before ordering.
- Documentation Review: Review the certificate of analysis, safety data sheet, and shipment conditions to ensure compliance with laboratory use requirements.
- Application Matching: Match the evaporation source hardware and process route to the material's melting point, density, and film requirements.
Why is the Z-ratio of 0.36 important for hafnium evaporation in e-beam deposition?
The Z-ratio of 0.36 is a critical parameter for e-beam evaporation rate monitoring using quartz crystal microbalances (QCM). This value is used to correct the tooling factor for accurate thickness control. The low Z-ratio indicates that hafnium has a relatively low acoustic impedance, which affects the frequency shift of the QCM sensor and requires proper calibration during deposition of this 99.99% pure hafnium pellet material.
What crucible liner materials are compatible with hafnium evaporation pellets for e-beam deposition?
Hafnium evaporation pellets are compatible with graphite, Al2O3, BN, or Ta liners when used in a water-cooled copper e-beam hearth. The choice of liner material depends on the specific process requirements and potential reactions at high temperatures, as hafnium has a melting point of 2,227°C. These liner options are explicitly stated in the product specifications to aid in deposition-source matching.
What documentation and procurement checks are required before ordering hafnium evaporation material for laboratory use?
Before ordering, confirm the model (AF-HFPEL-4N13MM), purity (99.99%), form (pellets, 1-3 mm), pack size, and deposition-source compatibility. Review the certificate of analysis, safety data sheet, shipment conditions, and export requirements based on laboratory use. The product is a research-grade pure metal evaporation material, and buyers should include model, purity, form, size range, and quantity when requesting quotation support.
Hafnium evaporation pellets at 99.99% purity in 1-3 mm size range are suitable for e-beam deposition requiring high-temperature stability and controlled film purity, but necessitate water-cooled hearth and liner compatibility and high-power e-beam source.
Positive
- High purity 99.99%: Defined 99.99% purity enables consistent film composition and reduces contamination risk in thin-film deposition.
- Specified pellet form and size: Pellets in 1-3 mm range facilitate uniform source loading and stable evaporation rate in e-beam systems.
Trade-offs
- Requires compatible e-beam hearth and liner: Evaporation source must be a water-cooled copper hearth with graphite, Al2O3, BN, or Ta liner, adding infrastructure prerequisites.
- High melting point demands high-power source: Melting point of 2227°C requires high e-beam power and may limit achievable evaporation rate without specialized equipment.
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).
