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Terbium Oxide (Tb2O3) Evaporation Material, Pieces, 99.99%, 325 mesh
Product Type: Compound 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 evaporation material requires a vacuum deposition system capable of reaching temperatures above its melting point of 2387°C. The pieces must be loaded into a compatible liner or boat material such as graphite, alumina, boron nitride, tungsten, molybdenum, or tantalum to prevent chemical reaction or contamination.
- Deposition-Source Compatibility: Confirm that the deposition source geometry and liner material are compatible with Tb2O3 at its melting point to avoid contamination or equipment damage.
- Physical Form Constraints: The Pieces form with 325 mesh sizing influences loading density and evaporation behavior; ensure the source design accommodates the piece dimensions.
- Evaporation Method Preference: E-beam evaporation is the preferred method; thermal evaporation requires a quotation and selection of an appropriate liner or boat material.
- Process Matching Requirement: Match the evaporation hardware and process route to the material's melting point and the desired thin-film properties for optimal deposition results.
What is the significance of specifying Terbium Oxide (Tb2O3) as 325 mesh pieces for e-beam evaporation, and how does particle size affect deposition uniformity and source loading?
The 325 mesh pieces (approximately <44 µm) are designed to facilitate consistent loading into e-beam hearths or boats. This particle size ensures uniform melting and evaporation rates, reducing spitting and improving film thickness homogeneity. The product is specifically tailored for e-beam evaporation, which is the preferred method for Tb2O3 due to its high melting point (2,387°C) and density (7.87 g/cm³).
Which evaporation source hardware is compatible with Terbium Oxide (Tb2O3) pieces for thin-film deposition?
Tb2O3 pieces are compatible with e-beam evaporation using a hearth lined with graphite, Al2O3, or BN, or alternatively with W/Mo/Ta boats for thermal evaporation (by RFQ). The 99.99% purity and 325 mesh form are optimized for these source configurations to minimize contamination and achieve high-quality films.
What is the melting point of Tb2O3 and how does it influence the choice of evaporation method and crucible material?
The melting point of Terbium Oxide (Tb2O3) is 2,387°C. This high melting point makes e-beam evaporation the preferred method, as it can achieve the necessary temperatures. For thermal evaporation by RFQ, a boat made of W, Mo, or Ta, or a liner of graphite, Al2O3, or BN must be used to withstand the temperature and avoid chemical reaction.
Terbium Oxide (Tb2O3) Evaporation Material, Pieces, 99.99%, 325 mesh is a high-purity compound evaporation material optimized for E-beam deposition, with a melting point of 2,387°C and density of 7.87 g/cm³, requiring careful source hardware matching and process validation.
Positive
- High purity for consistent films: The 99.99% purity specification minimizes contamination in thin-film deposition, supporting reproducible optical or electronic properties in research-grade coatings.
- Defined physical form for loading: Supplied as Pieces with 325 mesh sizing, this form factor facilitates uniform source loading and controlled evaporation rates in E-beam systems.
Trade-offs
- E-beam preferred; thermal by RFQ: E-beam evaporation is the recommended method; thermal evaporation requires a request for quotation (RFQ) and specific liner or boat hardware, adding process complexity.
- High melting point requires robust hardware: With a melting point of 2,387°C, the material demands high-temperature E-beam hearths or specialized liners (graphite, Al2O3, BN), limiting compatibility with standard thermal boats.
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).
