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Calcium Tungstate (CaWO4) Evaporation Material, Pieces, 99.9%, 1-3 mm
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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Calcium tungstate evaporation material requires specific deposition source hardware and process parameters for successful thin-film formation. Compatibility between the evaporation source hardware and the material's melting point and density must be verified before deposition to prevent equipment damage or film defects.
- Evaporation Method Requirement: E-beam evaporation is the preferred method; thermal evaporation requires a request for quotation.
- Hearth and Boat Material Compatibility: Load the material into a graphite, alumina, or boron nitride-lined E-beam hearth, or into a tungsten, molybdenum, or tantalum boat.
- Melting Point Constraint: Ensure the deposition system can reach and maintain the material's melting point of 1200°C without exceeding component limits.
- Procurement Verification: Confirm the material's model, purity, form, size range, and pack size against the deposition source hardware before purchase.
- Process Route Matching: Match the evaporation source hardware and process parameters to the material's thermal behavior and film requirements.
What evaporation methods and source hardware are recommended for CaWO4 pieces?
E-beam evaporation is preferred for CaWO4; thermal evaporation is available by RFQ. E-beam performance is rated as Good when using a graphite, Al2O3, or BN liner, or a W/Mo/Ta boat. The material's melting point of 1,200°C and density of 6.06 g/cm³ inform source selection.
Which liner or boat materials are compatible with CaWO4 E-beam evaporation?
Compatible liners for E-beam evaporation of CaWO4 include graphite, Al2O3, and BN. Alternatively, W/Mo/Ta boats may be used. The choice depends on the specific hearth geometry and desired thermal and chemical stability at the 1,200°C melting point.
How does the 1–3 mm piece size affect source loading and evaporation behavior?
The 1–3 mm piece size is specified to facilitate consistent source loading into E-beam hearths or boats and to support controlled evaporation. This size range promotes even melting and uniform deposition rates, which is critical for reproducible thin-film quality.
Calcium Tungstate (CaWO4) evaporation material in 1–3 mm pieces with 99.9% purity is suitable for E-beam evaporation with good performance, but requires careful matching of deposition hardware and process route, with thermal evaporation available only by RFQ.
Positive
- Good E-beam evaporation performance: E-beam evaporation performance is rated as Good when using appropriate hearth liners (graphite, Al2O3, BN) or metal boats (W/Mo/Ta), enabling reliable thin-film deposition.
- Defined piece size for source loading: Supplied as 1–3 mm pieces, the material is pre-sized for consistent loading into evaporation sources, reducing preparation time and batch variability.
Trade-offs
- Deposition hardware compatibility required: E-beam evaporation is preferred; thermal evaporation requires RFQ and may not be standard. The user must match the evaporation source hardware (liner type, boat material) to the material's behavior and melting point to avoid contamination or process failure.
- Pre-order verification of multiple parameters: Buyers must confirm model, purity, form, size, pack size, and deposition-source compatibility before quotation, adding a procurement step that requires technical expertise.
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).
