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Calcium Sulfide (CaS) Evaporation Material, Pieces, 99.99%, Dia. 20 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 sulfide evaporation material requires precise selection of crucible or boat material to withstand its high melting point of 2525°C. The material must be processed under vacuum conditions using thermal evaporation or low-power e-beam methods to avoid decomposition.
- Crucible Material Compatibility: Select quartz, alumina, graphite, tantalum, or tungsten crucibles and boats to withstand the 2525°C melting point of CaS without contamination.
- Evaporation Method Constraint: Use thermal evaporation or low-power e-beam deposition to achieve controlled film growth.
- Deposition Infrastructure: All processing must occur under vacuum conditions to prevent oxidation or decomposition of the sulfide material.
- Source Geometry Matching: Confirm that the piece size (20 mm diameter) fits the deposition source geometry and crucible design.
- Purity Requirement: The 99.99% purity specification is critical for consistent thin-film properties and should be verified via certificate of analysis.
What implications does the 99.99% purity specification have for CaS thin-film deposition repeatability?
The 99.99% purity specification allows direct comparison between standard, high-purity, and RFQ-controlled grades, ensuring that the material meets a defined high-purity standard for research deposition. However, repeatability also depends on consistent evaporation parameters, source loading, and process control. Buyers should confirm certificate requirements before quotation to verify batch-to-batch consistency.
Which crucible or boat materials are acceptable for evaporating CaS pieces given its melting point of 2,525 °C?
The product is compatible with quartz, alumina, or graphite crucibles, as well as Ta/W boats or Knudsen cells, as specified for thermal evaporation or low-power e-beam by RFQ. The high melting point of 2,525 °C requires a source material that can withstand sustained high temperatures, and these options are recommended for reliable evaporation.
What documentation should be reviewed before handling CaS evaporation material in a laboratory?
Before handling, the certificate of analysis, safety data sheet, shipment conditions, and export requirements should be reviewed against laboratory use requirements. This ensures compliance with safety protocols and confirms the material's suitability for the intended deposition process.
The Atomfair Calcium Sulfide (CaS) evaporation material, supplied as 99.99% pure pieces of 20 mm diameter, is suited for thermal or low-power e-beam deposition with a melting point of 2525 °C. Multiple pack sizes (25g–1kg) and crucible compatibility (quartz, alumina, graphite, Ta/W boat, Knudsen cell by RFQ) provide flexibility but require pre-order confirmation of source hardware and process parameters.
Positive
- High purity for controlled deposition: The 99.99% purity specification ensures minimal contamination and predictable stoichiometry in thin-film applications.
- Multiple pack sizes for scalability: Available in 25g, 100g, 500g, and 1kg packs, allowing researchers to match quantities to experimental scale without unnecessary surplus.
Trade-offs
- High melting point requires specialized equipment: With a melting point of 2525 °C, the material necessitates high-temperature evaporation sources and careful thermal management to avoid hardware damage or film defects.
- Deposition source and method require RFQ confirmation: Compatible crucibles and evaporation methods (e.g., Knudsen cell, low-power e-beam) are listed as by RFQ, meaning buyers must confirm specific hardware compatibility and lead time before ordering.
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).
