|
Vanadium (V) Evaporation Material, Pellets, 99.95%, 3-6 mm
Product Type: Pure Metal Evaporation Material
Research-grade laboratory product
|
|||||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||||
|
LABORATORY PROCUREMENT SUPPORT
For material selection, deposition-source matching, pack-size confirmation or quotation support, contact our technical sales team.
INQUIRY: inquiry@atomfair.com
|
|||||||||||||||||||||||||||||||||||||||
|
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
|
Vanadium evaporation pellets require an e-beam source with a water-cooled copper hearth and compatible liner materials. Melting point and Z-ratio must be matched to process parameters for reliable film deposition.
- Evaporation Source Compatibility: Ensure the deposition system uses an e-beam evaporator with a water-cooled copper hearth to avoid thermal damage to the crucible.
- Liner Material Selection: Select a liner material from graphite, Al2O3, BN, or Ta based on chemical compatibility and thermal stability.
- Particle Size Verification: Verify that the 3–6 mm pellet size fits the source pocket geometry to prevent bridging or feeding interruptions.
- Process Parameter Matching: Match the evaporation source hardware and process parameters to the material's melting point and desired film properties.
What is the significance of the Z-ratio of 0.53 for vanadium pellets in e-beam evaporation?
The Z-ratio of 0.53 is used to calibrate quartz crystal microbalance (QCM) sensors for accurate deposition rate monitoring. This value is specific to vanadium and must be entered into the deposition controller to correct for the acoustic impedance mismatch between the crystal and the deposited material. Using the correct Z-ratio ensures precise film thickness control during e-beam evaporation.
Which liner materials are compatible with vanadium evaporation in a water-cooled copper e-beam hearth?
Compatible liner materials include graphite, aluminum oxide (Al2O3), boron nitride (BN), and tantalum (Ta). The choice depends on the evaporation temperature and chemical reactivity. Vanadium has a melting point of 1890°C, so liners must withstand high temperatures without contaminating the melt. Graphite and Ta are common choices for refractory metals.
Why is the pellet size range of 3-6 mm specified for vanadium evaporation material?
The 3-6 mm pellet size is selected to ensure consistent feeding and uniform melting in e-beam evaporation sources. Smaller pellets might cause bridging or uneven evaporation, while larger pellets may not melt completely. This size range is compatible with standard water-cooled copper hearths and allows for controlled deposition rates.
Vanadium evaporation pellets (99.95%, 3-6 mm) offer high-purity material for e-beam thin-film deposition. The pellet form and size are optimized for source loading, but users must ensure compatible evaporation hardware and account for the material's high melting point and Z-ratio.
Positive
- High purity and defined identity: Material purity of 99.95% and clear Vanadium (V) specification enable reproducible deposition process matching and quality control.
- Optimized pellet form for e-beam: Pellet size (3-6 mm) is specified for source loading and compatibility with water-cooled copper e-beam hearth and graphite/Al2O3/BN/Ta liners.
Trade-offs
- Requires specific evaporation hardware: Deposition is preferred via e-beam with water-cooled copper hearth and compatible liner materials; alternative sources may not be suitable without modification.
- High melting point and Z-ratio constraints: Melting point of 1,890°C and Z-ratio of 0.53 demand careful process tuning for stable evaporation rates and film thickness control.
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).
