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Niobium (Nb) Evaporation Material, Pieces, 99.99%, 3-6 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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This niobium evaporation material is intended for e-beam deposition in vacuum systems. It requires a water-cooled copper hearth and compatible liner materials to prevent contamination and ensure proper evaporation.
- Preferred Deposition Method: E-beam evaporation is the preferred method for depositing this niobium material.
- Compatible Source Components: The material is compatible with water-cooled copper e-beam hearths and liners made of graphite, alumina, boron nitride, or tantalum.
- Physical Form for Loading: The 3–6 mm pieces are designed for direct loading into e-beam evaporation sources.
- Melting Point Consideration: The high melting point of 2,468°C requires appropriate source power and process parameters.
- Z-Ratio for Rate Monitoring: The Z-ratio of 0.492 must be used for accurate quartz crystal microbalance thickness monitoring.
How does the high melting point of niobium (2,468°C) affect e-beam evaporation process parameters for this material?
The high melting point requires sufficient beam power to achieve evaporation temperature; water-cooled copper hearth is recommended to manage thermal load. Compatible liners such as graphite or tantalum can be used to contain the melt without contamination.
Which crucible liner materials are compatible with niobium evaporation pieces?
Compatible liner materials include graphite (C), aluminum oxide (Al2O3), boron nitride (BN), and tantalum (Ta). These liners can be used with water-cooled copper e-beam hearths.
What documentation should be reviewed before using niobium evaporation material in a laboratory?
The certificate of analysis confirming purity (99.99%) and particle size distribution (3–6 mm) should be reviewed along with the safety data sheet for handling precautions. Export restrictions and shipment conditions must also be verified before procurement.
Niobium (Nb) evaporation material at 99.99% purity in 3–6 mm pieces offers a controlled source for e-beam deposition, but the high melting point (2468 °C) and required water-cooled copper hearth with compatible liners impose specific infrastructure and handling constraints for laboratory deployment.
Positive
- High purity 99.99%: The 99.99% purity specification minimizes contaminant incorporation during thin-film growth, supporting reproducible film stoichiometry and electrical properties in superconducting or optical coatings.
- Defined piece size 3–6 mm: The 3–6 mm piece size facilitates consistent loading into e-beam hearths and reduces the risk of ejection or spitting during evaporation, improving process stability.
Trade-offs
- High melting point requires robust e-beam: Niobium melts at 2468 °C, necessitating a high-power e-beam system with sufficient thermal management; lower-power evaporation sources may be inadequate for stable deposition rates.
- Water-cooled hearth and liner compatibility: The material is specified for use with a water-cooled copper e-beam hearth and compatible liners (graphite, Al2O3, BN, Ta); improper selection can lead to contamination or hearth damage, increasing operational complexity.
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).
