|
Strontium (Sr) Evaporation Material, Pellets, 99.5%, 1-3 mm
Product Type: Pure Metal 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®
|
Strontium metal pellets are highly reactive with atmospheric moisture and oxygen, requiring storage under inert atmosphere or in sealed containers. Handling must be performed in an inert environment to prevent oxidation and ensure material integrity for vacuum deposition.
- Inert Atmosphere Storage: Store strontium pellets in an inert atmosphere such as argon or nitrogen to prevent reaction with moisture and air.
- Evaporation Source Compatibility: Use only tantalum, molybdenum, or tungsten evaporation sources to avoid chemical reaction with molten strontium.
- Hardware Compatibility Check: Confirm that the deposition source hardware is compatible with the material's melting point and reactivity before processing.
- Safety Data Sheet Review: Review the safety data sheet for detailed handling, storage, and emergency procedures before use.
This procedure outlines the safe handling and thermal evaporation of strontium pellets under inert conditions. Follow these steps to prevent oxidation and achieve consistent thin-film deposition.
Required Equipment: Inert atmosphere glovebox, Evaporation boat or crucible (Ta, Mo, or W), Vacuum deposition system
- Transfer Pellets
Transfer the strontium pellets from the inert package to the evaporation boat or crucible inside an inert atmosphere glovebox. - Load Chamber
Load the boat or crucible containing strontium into the vacuum deposition chamber and seal the chamber. - Evacuate Chamber
Evacuate the chamber to a high vacuum level to remove residual oxygen and moisture. - Heat to Evaporation
Heat the evaporation source to a temperature exceeding 769°C to melt and evaporate the strontium. - Cool Before Venting
Allow the source to cool completely before venting the chamber to prevent oxidation of residual material.
Why does the Z-ratio of Strontium evaporation material matter for thin-film thickness monitoring?
The Z-ratio of 1.00 indicates that Strontium's acoustic impedance matches the tooling factor for quartz crystal microbalance monitoring, simplifying calibration. This value is listed in the technical specifications, allowing direct use without correction factors in many deposition controllers.
What boat or crucible materials are recommended for evaporating Strontium pellets?
Tantalum (Ta), molybdenum (Mo), or tungsten (W) boats or crucibles are recommended, as specified in the product description. The material also requires an inert handling package to prevent oxidation during loading.
What handling and storage conditions are required for Strontium evaporation pellets?
Strontium pellets must be handled under inert atmosphere to prevent reaction with moisture or oxygen. The product is supplied with an inert handling package, and buyers should review the safety data sheet and confirm shipment conditions before use, as noted in the procurement checklist.
This strontium evaporation material in pellet form with 99.5% purity is suitable for thermal or e-beam deposition of Sr thin films, but requires inert atmosphere handling and careful source matching due to its reactivity and melting point of 769°C.
Positive
- High purity and controlled pellet size: 99.5% purity and 1–3 mm pellet form ensure consistent evaporation behavior and straightforward source loading for reproducible thin-film deposition.
- Flexible evaporation method compatibility: Supports thermal/resistive evaporation and low-power e-beam deposition using Ta, Mo, or W boats/crucibles, allowing adaptation to existing lab infrastructure.
Trade-offs
- Inert atmosphere handling required: Supplied with an inert handling package, indicating sensitivity to air and moisture; storage and loading must be performed under inert gas or vacuum to prevent oxidation.
- Deposition source compatibility must be verified: The melting point of 769°C and reactive nature require careful matching of boat/crucible material and RFQ for low-power e-beam, adding pre-engineering effort before process integration.
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).
