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Terbium (Tb) Evaporation Material, Pieces, 99.9%, 1-10 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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Terbium (Tb) evaporation material requires deposition source hardware matched to its melting point of 1356°C and Z-ratio of 0.66. Ta/W boats, Ta liners, or water-cooled e-beam hearths with liners are recommended for thermal or e-beam evaporation.
- Deposition Source Compliance: Select a boat or liner material compatible with the evaporation method and terbium's melting point to prevent contamination or source failure.
- Process Route Matching: Confirm the evaporation method (e-beam or thermal/resistive) and source geometry before ordering to ensure proper material loading and film uniformity.
- Purity and Form Verification: Verify the material purity (99.9%) and piece size (1–10 mm) against the deposition system's requirements to avoid feed issues or film defects.
How does the Z-ratio of 0.66 for terbium evaporation material affect deposition rate monitoring with a quartz crystal microbalance?
The Z-ratio of 0.66 is a material-specific acoustic impedance factor used to correct quartz crystal microbalance (QCM) readings for accurate film thickness monitoring. For terbium, this value deviates significantly from the ideal 1.0, requiring users to input this parameter into their deposition controller to avoid rate and thickness errors. The product description explicitly lists the Z-ratio as 0.66, meaning it must be applied during process calibration.
What evaporation source materials and configurations are recommended for terbium evaporation?
Terbium evaporation material is compatible with Ta/W boat, Ta liner, or a water-cooled e-beam hearth with liner for both e-beam and thermal/resistive evaporation. The product description specifies these source options, and users must confirm deposition source geometry and material compatibility with terbium's melting point of 1,356°C to avoid contamination or source failure.
What documentation and safety information should be reviewed before handling terbium evaporation material?
Before handling, users should review the certificate of analysis, safety data sheet (SDS), and shipment conditions provided by the manufacturer. The product description explicitly states that these documents can be reviewed against laboratory use requirements. As a research-grade material, appropriate handling and storage conditions should be confirmed from the SDS to maintain material integrity and safety.
Terbium evaporation material (99.9% purity, 1-10 mm pieces) is evaluated for vacuum thin-film deposition. The piece form supports source loading compatibility, while the 1356°C melting point and Z-ratio of 0.66 impose constraints on evaporation source selection and film thickness monitoring calibration.
Positive
- Defined high purity (99.9%): 99.9% purity specification enables consistent film stoichiometry and reduces batch-to-batch variability for research deposition workflows.
- Piece form with 1-10 mm size: Pieces sized 1-10 mm are compatible with Ta/W boat, Ta liner, or water-cooled e-beam hearth, facilitating direct loading without further processing.
Trade-offs
- High melting point (1356°C): Melting point of 1356°C requires high-temperature evaporation sources (e.g., e-beam or resistive heating with refractory liners), increasing infrastructure demands and thermal management complexity.
- Z-ratio of 0.66 requires calibration: Z-ratio of 0.66 deviates from unity, necessitating process-specific quartz crystal microbalance (QCM) calibration for accurate film thickness control during deposition.
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).
