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Arsenic Selenide (As2Se3) Evaporation Material, Pieces, 99.99%, 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 toxic compound requires safe handling and containment to prevent exposure. Storage must follow conditions specified in the manufacturer's safety data sheet.
- Safety Data Sheet Review: Consult the safety data sheet for specific handling, storage, and disposal instructions.
- Deposition Source Matching: Confirm that the evaporation source hardware is compatible with the material's melting point of approximately 360°C.
- Containment Requirement: Handle the material in a fume hood or glovebox to avoid inhalation of toxic dust.
This procedure describes safe handling and loading of arsenic selenide evaporation material into a vacuum deposition system. Follow all safety guidelines and consult the safety data sheet before use.
Required Equipment: Quartz, alumina, or graphite crucible, Tantalum or tungsten boat, Clean spatula, Vacuum deposition system
- Review Safety Documentation
Review the safety data sheet and ensure all handling precautions are in place. - Load Crucible
Load the arsenic selenide pieces into a clean crucible or boat using a spatula, ensuring uniform distribution. - Evacuate and Evaporate
Place the loaded crucible in the evaporation source, evacuate the chamber, and heat to the material's melting point of approximately 360°C to initiate deposition.
What is the melting point and density of Atomfair As2Se3 evaporation material, and how do these properties influence deposition method selection?
The melting point is approximately 360°C and density is 4.75 g/cm³. These properties make the material suitable for thermal evaporation or low-power e-beam deposition, but the relatively low melting point requires careful temperature control to prevent premature evaporation or decomposition.
Which crucible or boat materials are recommended for evaporating As2Se3 pieces in vacuum deposition systems?
The recommended evaporation sources include quartz, alumina, or graphite crucibles, tantalum or tungsten boats, or a Knudsen cell (by RFQ). Al2O3 hardware is also listed as compatible. The choice depends on the specific deposition method (thermal or e-beam) and desired purity.
What safety and handling documentation is available for Atomfair As2Se3 evaporation material?
A safety data sheet (SDS) and certificate of analysis are available upon request. Buyers should review these documents for handling precautions, storage conditions, and shipment requirements before use, as arsenic selenide compounds may require special handling due to toxicity.
This Arsenic Selenide (As2Se3) evaporation material is supplied as 99.99% pure 1–3 mm pieces, suitable for thermal or low-power e-beam deposition. The defined particle size aids consistent source loading, but the low melting point (~360°C) and specific crucible/boat compatibility requirements (quartz, alumina, graphite, Ta/W, or Knudsen cell) demand careful process matching to avoid decomposition or contamination.
Positive
- High purity 99.99% specification: The 99.99% purity level minimizes trace-element contamination in deposited thin films, supporting reproducible optical or electronic properties in research-grade coatings.
- Defined 1–3 mm piece size: The narrow 1–3 mm particle size range facilitates uniform loading into evaporation sources (boats, crucibles, or Knudsen cells) and promotes consistent evaporation rates.
Trade-offs
- Low melting point requires process control: With a melting point of approximately 360°C, the material may undergo premature melting or decomposition if heating rates are not carefully controlled, necessitating precise thermal management during evaporation.
- Crucible and boat compatibility constraints: The material requires specific evaporation hardware (quartz, alumina, graphite crucibles; Ta/W boats; or Knudsen cells) and is not compatible with all standard sources, adding procurement and setup complexity.
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).






