|
Niobium (Nb) 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®
|
The material requires e-beam evaporation with water-cooled copper hearth and compatible liners. Pellet size and purity must be verified for source loading and film quality.
- Deposition Method: E-beam evaporation is the preferred method for this material due to its high melting point of 2,468°C.
- Hearth and Liner Compatibility: Use a water-cooled copper e-beam hearth with a liner made of graphite, Al2O3, BN, or Ta to avoid contamination and ensure proper melting.
- Pellet Size Requirement: The 3-6 mm pellet size is specified to support consistent feeding and evaporation in e-beam sources.
- Purity Confirmation: Confirm the 99.95% purity against the required film composition to prevent unintended doping or contamination.
- Procurement Verification: Verify deposition source geometry, required quantity, certificate requirements, and shipment conditions before finalizing the order.
What is the significance of the Z-ratio of 0.492 for niobium evaporation material in e-beam deposition?
The Z-ratio of 0.492 indicates the acoustic impedance of niobium relative to quartz crystal microbalance sensors, which directly affects the accuracy of film thickness monitoring during e-beam evaporation. This value must be programmed into the deposition controller to correct for material-specific acoustic properties; using an incorrect Z-ratio can lead to systematic thickness errors in deposited films.
Which liner materials are compatible with niobium evaporation in a water-cooled copper e-beam hearth?
Compatible liner materials include graphite, Al2O3 (alumina), BN (boron nitride), and Ta (tantalum). The selection depends on the high melting point of niobium (2468°C) and potential chemical reactivity; tantalum liners are often preferred for refractory metals due to their thermal stability and minimal contamination risk at elevated temperatures.
What documentation should be reviewed before ordering niobium evaporation pellets for laboratory use?
Buyers should review the Certificate of Analysis (CoA) to confirm the specified 99.95% purity, the Safety Data Sheet (SDS) for handling and storage precautions, shipment conditions (e.g., inert packaging to prevent oxidation), and any export compliance requirements. These documents ensure the material meets laboratory quality standards and safe handling protocols.
Niobium (Nb) evaporation pellets at 99.95% purity and 3-6 mm size are optimized for e-beam deposition, offering high-density (8.57 g/cm³) and high-melting-point (2,468°C) material for controlled thin-film fabrication, but require water-cooled copper hearths and compatible liners to manage thermal load and avoid contamination.
Positive
- 99.95% purity: High-purity specification (99.95%) enables reproducible thin-film stoichiometry and minimizes impurity-driven defects in vacuum-deposited layers.
- Pellet size 3-6 mm: Specified pellet dimensions (3-6 mm) are compatible with standard e-beam evaporation source loading, facilitating consistent feed and uniform evaporation rates.
Trade-offs
- Requires specific evaporation hardware: Optimal use demands a water-cooled copper e-beam hearth and compatible liners (graphite, Al2O3, BN, or Ta); non-compatible sources risk thermal damage or contamination.
- High melting point operational constraint: Melting point of 2,468°C necessitates high-energy e-beam input and precise thermal management, increasing process complexity and equipment wear.
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).
