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Cadmium Arsenide (Cd3As2) 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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This evaporation material requires thermal evaporation using quartz, alumina, or graphite crucibles or sealed-source setups; e-beam evaporation is permitted only after a decomposition review. Deposition-source geometry and process route must be matched to the material's melting point (721°C) and density (6.21 g/cm³) to ensure film quality.
- Crucible Compatibility: Use only quartz, alumina, graphite crucibles or sealed-source configurations for thermal evaporation.
- E-Beam Restriction: E-beam evaporation requires prior decomposition review to assess material stability under electron bombardment.
- Size Range Constraint: The 1–3 mm piece size must be compatible with the source loading mechanism to avoid bridging or uneven melt.
- Melting Point Consideration: The melting point of 721°C dictates the required power and temperature control during evaporation.
- Procurement Verification: Confirm model, purity, form, size range, pack size, and deposition-source compatibility before ordering.
Why is thermal evaporation the recommended method for Cd3As2, and what is the constraint on e-beam evaporation?
Thermal evaporation by RFQ is the recommended method for Cd3As2 because the material may decompose under electron beam heating. The product specification states that e-beam evaporation is only permitted after a decomposition review to ensure material stability and avoid compositional changes.
What crucible materials are compatible with evaporating Cd3As2 pieces?
The product specifies compatibility with quartz, alumina, or graphite crucibles, or a sealed-source setup by RFQ. These materials are selected to withstand the high-temperature evaporation process without reacting with the cadmium arsenide compound.
What procurement and documentation steps are required before ordering Cd3As2 evaporation material?
Buyers must confirm model, purity, form, size range, pack size, and deposition-source compatibility. Additionally, they should review the certificate of analysis, safety data sheet, shipment conditions, and export requirements to ensure safe handling and compliance with laboratory use.
This Cadmium Arsenide (Cd3As2) evaporation material in 1-3 mm pieces at 99.9% purity is suited for thermal evaporation in quartz/alumina/graphite crucibles, but e-beam application requires prior decomposition assessment.
Positive
- Controlled particle size for uniform loading: The 1-3 mm piece size facilitates consistent filling of crucibles and reproducible source geometry in thermal evaporation systems.
- Defined 99.9% purity for film quality: The 99.9% purity specification enables direct comparison with standard and high-purity grades, supporting predictable thin-film stoichiometry and reduced contamination.
Trade-offs
- E-beam requires decomposition review: E-beam evaporation is only recommended after a decomposition review because the compound may dissociate under electron beam exposure, risking stoichiometry deviation.
- Specialized crucible or sealed-source setup: Standard crucibles may not be suitable; quartz, alumina, or graphite crucibles are required, and sealed-source configurations must be requested by RFQ, adding procurement lead time.
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).
