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Niobium (Nb) Evaporation Material, Wire, 99.99%, Dia. 1.0 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 wire requires e-beam evaporation as the preferred method, with thermal evaporation only for thin charges under qualified conditions. The material's high melting point of 2,468°C and Z-ratio of 0.492 demand precise process calibration and source compatibility with water-cooled e-beam hearths or tungsten/tantalum supports.
- Evaporation Method Constraint: E-beam evaporation is the preferred method; thermal evaporation is only suitable for thin charges or qualified setups.
- Source Compatibility Constraint: Use a water-cooled e-beam hearth or request W/Ta support via RFQ for source compatibility.
- Material Behavior Constraint: The melting point of 2,468°C and Z-ratio of 0.492 require appropriate process calibration for consistent deposition.
- Purity Sensitivity Constraint: The 99.99% purity specification necessitates contamination control during handling, storage, and loading.
How does the high melting point of niobium (2,468°C) affect the choice of evaporation method for this wire?
Niobium's melting point of 2,468°C makes e-beam evaporation the preferred method because e-beam can directly heat a small area to very high temperatures without crucible contamination. Thermal evaporation is only recommended for thin charges or qualified setups, typically using a water-cooled e-beam hearth or tungsten/tantalum support by RFQ.
What evaporation source hardware is compatible with this 1.0 mm niobium wire?
This niobium wire is designed for use with a water-cooled e-beam hearth or a tungsten/tantalum (W/Ta) support by RFQ. The water-cooled hearth prevents thermal damage, while the W/Ta support provides a high-temperature, non-reactive platform for thermal evaporation when qualified.
What is the significance of the 99.99% purity and wire form (1.0 mm diameter) for thin-film deposition?
The 99.99% purity ensures minimal impurity incorporation into sensitive thin films, which is critical for reproducible electrical and superconducting properties. The wire form with 1.0 mm diameter is tailored for controlled feeding into e-beam hearths and provides consistent deposition rates across the available pack sizes (25g to 1kg).
This Niobium (Nb) evaporation wire (99.99% purity, 1.0 mm diameter) is specified for e-beam evaporation preferred, with a melting point of 2468°C and Z-ratio of 0.492, requiring careful source matching and rate calibration for consistent thin-film deposition.
Positive
- High purity 99.99%: 99.99% purity minimizes contaminant incorporation in deposited films, supporting reproducible thin-film properties in research-scale evaporation.
- Defined wire form and diameter: Wire form with 1.0 mm diameter facilitates consistent source loading and predictable evaporation behavior in e-beam hearths or compatible thermal boats.
Trade-offs
- High melting point requires e-beam: Melting point of 2468°C demands e-beam evaporation as the primary method; thermal evaporation is only feasible for thin charges with qualified setups, limiting hardware flexibility.
- Z-ratio necessitates rate calibration: Z-ratio of 0.492 requires deposition rate monitoring and calibration adjustments, adding process setup complexity for consistent 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).
