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Samarium Sulfide (Sm2S3) 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 material must be processed under vacuum using thermal evaporation or low-power e-beam deposition. The pieces must be loaded into a compatible crucible or boat, and the source hardware must be matched to the material's melting point and film requirements.
- Deposition Method: Use thermal evaporation or low-power e-beam deposition under vacuum.
- Crucible and Boat Compatibility: Load material into quartz, alumina, or graphite crucible, or into a tantalum or tungsten boat.
- Particle Size Constraint: Use pieces of 1-3 mm size to ensure proper source loading and evaporation.
- Material Matching: Match the evaporation source hardware to the material's melting point of 1900°C and density of 5.73 g/cm³.
What evaporation method is best suited for Samarium Sulfide (Sm2S3) pieces, and why is low-power e-beam recommended?
The product supports both thermal evaporation and low-power e-beam, with e-beam performance rated as 'Good'. Low-power e-beam is specified to prevent excessive heating that could cause material decomposition or spitting, given the high melting point of 1,900°C and density of 5.73 g/cm³. Thermal evaporation using Ta/W boats or quartz/alumina/graphite crucibles is also suitable depending on the required deposition rate and film uniformity.
Which crucible materials are compatible with Sm2S3 evaporation to avoid contamination?
For thermal evaporation, quartz, alumina, or graphite crucibles and tantalum or tungsten boats are recommended. For e-beam, a Knudsen cell may be used. These materials are selected for their inertness toward samarium sulfide at the evaporation temperature of 1,900°C, minimizing the risk of chemical reactions or contamination of the deposited film. Buyers should confirm compatibility with their specific deposition system via RFQ.
Why is 99.99% purity critical for Sm2S3 evaporation material in thin-film deposition?
The 99.99% purity specification ensures minimal impurity levels, which is essential for maintaining stoichiometric consistency and preventing defect states in the deposited thin films. This research-grade purity supports reproducible optical and electronic properties, making it suitable for precise vacuum deposition applications where trace contaminants could alter film performance.
Samarium Sulfide (Sm2S3) evaporation material, supplied as 99.99% pure pieces in 1–3 mm size range, is evaluated for vacuum thin-film deposition. The defined physical form and high purity support consistent source loading and film stoichiometry, but the high melting point (1,900 °C) and density (5.73 g/cm³) impose specific crucible and boat material requirements, and the material's compatibility with thermal or e-beam evaporation must be confirmed via RFQ for process integration.
Positive
- High purity and defined form: 99.99% purity and 1–3 mm piece size ensure reproducible source loading and minimize contamination risk in thin-film deposition workflows.
- Multiple pack size options: Available in 25 g, 100 g, 500 g, and 1 kg packs, allowing flexible procurement scaling for R&D trials or production runs without requiring custom orders.
Trade-offs
- High melting point requires robust hardware: Melting point of 1,900 °C necessitates use of quartz, alumina, or graphite crucibles, or Ta/W boats, and may limit compatibility with standard low-power e-beam systems without RFQ confirmation.
- Deposition method requires RFQ validation: Thermal evaporation or low-power e-beam performance is listed as 'by RFQ', meaning process parameters and hardware compatibility must be verified on a per-application basis, adding pre-deployment engineering effort.
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).
