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Indium Arsenide (InAs) 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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Indium arsenide evaporation material requires thermal evaporation or e-beam deposition only after a decomposition review to prevent material degradation. Crucible selection must be limited to quartz, alumina, or graphite, or a sealed-source setup, to avoid contamination and ensure thermal compatibility.
- Evaporation Method Constraint: Thermal evaporation is the recommended method; e-beam evaporation requires a decomposition review to ensure material stability.
- Crucible Material Constraint: Use only quartz, alumina, or graphite crucibles, or a sealed-source setup, for indium arsenide evaporation to avoid chemical incompatibility.
- Source Matching Requirement: Match the deposition source geometry and heating profile to the material's melting point (943°C) and piece size (1–3 mm) for optimal film quality.
What evaporation method is recommended for Indium Arsenide (InAs) pieces to avoid decomposition?
Thermal evaporation is recommended for InAs pieces; e-beam evaporation should only be used after a decomposition review to prevent material dissociation. The product specification lists 'Thermal evaporation by RFQ; e-beam only after decomposition review' as the evaporation method.
Which crucible materials are compatible with InAs evaporation at 943°C melting point?
Quartz, alumina, and graphite crucibles are compatible, as well as a sealed-source setup by RFQ. The source specifies 'Quartz/alumina/graphite crucible or sealed-source setup by RFQ' as the evaporation source hardware.
Why is the piece size range of 1-3 mm specified for InAs evaporation material?
The 1-3 mm piece size is specified to support efficient source loading and consistent evaporation behavior during vacuum thin-film deposition. The product description states that the sizing is 'to support source loading and evaporation review'.
Indium Arsenide (InAs) evaporation material, 99.99% purity in 1-3 mm pieces, offers defined stoichiometry and particle sizing for vacuum thin-film deposition. However, e-beam evaporation requires prior decomposition review, and thermal evaporation is only available by RFQ, adding process planning steps.
Positive
- High purity 99.99%: The 99.99% purity specification supports consistent film composition and reduces contamination risk in compound semiconductor thin-film deposition.
- Controlled particle size 1-3 mm: The Pieces 1-3 mm size range facilitates uniform source loading and predictable evaporation behavior in thermal or e-beam crucibles.
Trade-offs
- E-beam requires decomposition review: E-beam evaporation is only permitted after a decomposition review, adding a qualification step before routine use.
- Thermal evaporation by RFQ only: Thermal evaporation is not a standard process; it must be requested via RFQ, which may delay procurement and process setup.
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).
