|
Calcium Sulfide (CaS) Evaporation Material, Pieces, 99.99%, Dia. 24 mm
Product Type: Compound Evaporation Material
Research-grade laboratory product
|
|||||||||||||||||||||||||||||||||||||
|
|||||||||||||||||||||||||||||||||||||
|
LABORATORY PROCUREMENT SUPPORT
For material selection, deposition-source matching, pack-size confirmation or quotation support, contact our technical sales team.
INQUIRY: inquiry@atomfair.com
|
|||||||||||||||||||||||||||||||||||||
|
Manufacturer: Atomfair LLC
Brand: ATOMFAIR®
|
Calcium sulfide evaporation pieces require careful selection of deposition source hardware and process parameters to achieve optimal thin-film quality. The material's high melting point of 2,525 °C and density of 2.5 g/cm³ necessitate thermal evaporation or low-power e-beam methods with compatible crucible or boat materials.
- Deposition Source Compatibility: Use quartz, alumina, or graphite crucibles, tantalum or tungsten boats, or Knudsen cells for evaporation; molybdenum sources are not recommended.
- Process Route Matching: Select thermal evaporation or low-power e-beam deposition based on material behavior and required film properties.
- Purity and Contamination Control: Maintain 99.99% purity by avoiding cross-contamination during handling and storage.
- Physical Form and Loading: Confirm that the 24 mm diameter pieces fit the deposition source geometry and allow uniform evaporation.
- Pack Size and Quantity Confirmation: Verify required pack size (25 g to 1 kg) against deposition run duration and film thickness targets.
What evaporation methods are recommended for Calcium Sulfide (CaS) evaporation material given its melting point of 2525°C?
Thermal evaporation or low-power e-beam are recommended methods for CaS. The high melting point of 2525°C requires careful selection of evaporation source hardware; quartz, alumina, or graphite crucibles, tantalum or tungsten boats, or Knudsen cells are specified. Low-power e-beam is suggested to avoid excessive thermal load.
What crucible and boat materials are compatible with CaS evaporation pieces?
Compatible crucible and boat materials include quartz, alumina, graphite, tantalum, and tungsten. The choice depends on the evaporation method (thermal or e-beam) and specific deposition system. Buyers should confirm compatibility with the supplier before quotation, as noted in the procurement checklist.
Why is Calcium Sulfide (CaS) supplied as 24 mm pieces rather than powder for evaporation?
The pieces form (24 mm diameter) is specified to facilitate controlled loading into evaporation sources, reduce dust generation, and provide consistent evaporation rates. The size ensures compatibility with typical crucible and boat geometries, as described in the product specifications.
Calcium Sulfide (CaS) evaporation material with 99.99% purity and 24 mm pieces offers high material quality for thin-film deposition, but its high melting point and need for process optimization present operational challenges.
Positive
- High purity 99.99% CaS: The 99.99% purity ensures minimal contamination in thin-film deposition, critical for reproducible optoelectronic or phosphor applications.
- Multiple pack sizes available: Pack sizes from 25g to 1kg allow researchers to match material quantity to experimental scale without excessive waste or cost.
Trade-offs
- High melting point of 2,525°C: The high melting point requires high-temperature evaporation sources and careful thermal management, potentially limiting compatibility with standard lab equipment.
- Application-specific deposition matching: Successful film deposition requires careful matching of evaporation source hardware and process parameters to the material's behavior and film requirements, adding complexity to process development.
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).
