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Tantalum (Ta) Evaporation Material, Pellets, 99.99%, 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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This document outlines the technical constraints for processing Tantalum (Ta) evaporation pellets. Users must ensure compatibility with deposition hardware and process parameters.
- Deposition Source Compatibility: The material is compatible with water-cooled copper e-beam hearths and graphite, Al2O3, BN, or Ta liners; verify liner material and geometry before use.
- Preferred Evaporation Method: E-beam evaporation is the preferred deposition method due to the material's high melting point of 2,996°C.
- Pellet Size Constraint: The 1-3 mm pellet size is designed for consistent loading in e-beam hearths; larger or smaller fractions may cause feeding issues.
- Z-Ratio Calibration: The material's Z-ratio of 0.262 must be used in deposition controller calibration to ensure accurate film thickness monitoring.
- Purity Requirement: The 99.99% purity grade is critical for high-quality thin films; cross-contamination must be avoided during handling.
What is the optimal evaporation method and hearth compatibility for Tantalum pellets with 99.99% purity and 1-3 mm size?
E-beam evaporation is preferred for these Tantalum pellets, using a water-cooled copper e-beam hearth. Compatible liners include graphite, Al2O3, BN, or Ta. The high melting point of 2,996 °C and density of 16.6 g/cm³ make E-beam the appropriate method to achieve controlled deposition without excessive thermal load on the source.
How does the Z-ratio of 0.262 for Tantalum affect deposition rate monitoring in thin-film processes?
The Z-ratio of 0.262 is a tooling factor used for quartz crystal microbalance (QCM) rate monitoring. A Z-ratio significantly different from 1.0 (like 0.262) requires correction in the film thickness monitor to ensure accurate rate and thickness readings during E-beam evaporation of these 99.99% pure Tantalum pellets.
What storage and handling considerations are required for Tantalum evaporation pellets to maintain 99.99% purity?
Store in a dry, inert environment to prevent surface oxidation. The 1-3 mm pellet form is stable under normal lab conditions, but avoid contamination from handling. A Certificate of Analysis and Safety Data Sheet can be requested to verify purity and review handling guidelines before use in vacuum deposition systems.
Tantalum (Ta) evaporation pellets at 99.99% purity and 1-3 mm size are optimized for e-beam evaporation in high-vacuum thin-film deposition, with a melting point of 2996°C and density 16.6 g/cm³ requiring careful source and calibration management.
Positive
- High-purity 99.99% Ta pellets: 99.99% purity minimizes contamination in thin-film deposition, ensuring reproducible film properties for research and device fabrication.
- Optimized pellet size and form: 1-3 mm pellets are sized for consistent loading into e-beam hearths and compatible with graphite, Al2O3, BN, or Ta liners for controlled evaporation.
Trade-offs
- High melting point requires robust heating: Melting point of 2996°C necessitates high-power e-beam evaporation and careful thermal management to avoid source damage.
- Density and Z-ratio affect process control: Density 16.6 g/cm³ and Z-ratio 0.262 require precise calibration of deposition rate and film thickness monitoring, especially for multilayer stacks.
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).
