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Niobium (Nb) Evaporation Material, Pellets, 99.95%, 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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Niobium evaporation pellets require e-beam evaporation with a water-cooled copper hearth and compatible liners such as graphite, Al2O3, BN, or Ta. The deposition source geometry and process parameters must be matched to the material's melting point (2,468°C) and Z-ratio (0.492) to achieve stable film growth.
- Evaporation Method: E-beam evaporation is the recommended method for this material.
- Liner Compatibility: Graphite, Al2O3, BN, or Ta liners are compatible with the water-cooled copper hearth.
- Process Matching: The melting point and Z-ratio must be used to calibrate e-beam parameters for consistent evaporation.
- Source Geometry: Deposition source geometry must be confirmed to ensure proper pellet loading and evaporation uniformity.
- Film Requirements: The material's behavior at high temperature must be matched to the specific film thickness and purity requirements.
Given Niobium's high melting point of 2468°C and density of 8.57 g/cm³ with Z-ratio of 0.492, what are the implications for e-beam evaporation process parameters?
The high melting point necessitates e-beam evaporation as the preferred method; a water-cooled copper hearth is recommended to manage thermal load during deposition. The Z-ratio of 0.492 must be used for quartz crystal microbalance calibration to ensure accurate film thickness monitoring.
Which crucible liner materials are compatible with Niobium evaporation pellets during e-beam deposition?
Compatible liner materials include graphite (C), aluminum oxide (Al2O3), boron nitride (BN), and tantalum (Ta). These liners withstand the high melting point of Niobium (2468°C) while minimizing contamination of the deposited film.
What documentation should be reviewed before handling Niobium evaporation pellets in a laboratory setting?
Review the certificate of analysis to verify the specified purity of 99.95%, consult the safety data sheet for handling precautions, and confirm shipment conditions and export requirements against your laboratory's use requirements before ordering.
Niobium (Nb) evaporation pellets at 99.95% purity in 1–3 mm size are well-suited for e-beam deposition; the high melting point (2468°C) demands sufficient electron-beam power, while the Z-ratio of 0.492 requires calibrated quartz-crystal monitoring for accurate film thickness control.
Positive
- High purity for reproducible films: The 99.95% purity specification minimizes contaminants in evaporated niobium films, supporting consistent electrical and mechanical properties in thin-film applications.
- Pellet form optimized for e-beam loading: The 1–3 mm pellet size facilitates uniform feeding into water-cooled copper e-beam hearths and is compatible with graphite/Al2O3/BN/Ta liners, reducing source-handling complexity.
Trade-offs
- High melting point requires robust power: With a melting point of 2468°C, the material demands a high-power e-beam source and careful thermal management to avoid hearth damage or incomplete evaporation.
- Z-ratio of 0.492 necessitates calibration: The Z-ratio of 0.492 deviates from unity, requiring accurate quartz-crystal microbalance (QCM) tooling-factor calibration to achieve target film thickness and repeatability.
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).
