|
Platinum (Pt) Evaporation Material, Pellets, 99.99%, 3-6 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®
|
Platinum evaporation pellets require a vacuum deposition system with thermal or e-beam capability. The material must be used with a compatible source liner and the Z-ratio must be calibrated for thickness monitoring.
- Deposition Hardware Compatibility: Use a Mo/W/Ta boat for thermal evaporation or a water-cooled e-beam hearth with graphite or alumina liner, as specified.
- Evaporation Method Selection: Thermal/resistive or e-beam evaporation must be selected based on the material's melting point of 1772°C and the desired film properties.
- Thickness Monitor Calibration: The Z-ratio of 0.245 must be entered into the quartz crystal monitor to ensure accurate film thickness measurement.
- Pellet Size Compatibility: The 3-6 mm pellet size must be compatible with the source geometry and loading mechanism to avoid jamming or incomplete evaporation.
- Process Confirmation: Verify that the deposition source geometry matches the pellet form and size before proceeding with evaporation.
What is the significance of the Z-ratio of 0.245 for platinum evaporation in e-beam systems?
The Z-ratio of 0.245 is a critical parameter for quartz crystal microbalance (QCM) thickness monitoring during e-beam evaporation of platinum. It corrects the acoustic impedance mismatch between the crystal and the deposited film, ensuring accurate real-time thickness measurement. For platinum with a density of 21.45 g/cm³ and melting point of 1772°C, using the correct Z-ratio prevents under- or over-deposition in thin-film applications.
Which boat or liner material is recommended for thermal evaporation of platinum pellets?
For thermal/resistive evaporation of platinum pellets, molybdenum (Mo), tungsten (W), or tantalum (Ta) boats are recommended due to their high melting points and resistance to wetting by molten platinum. For e-beam evaporation, a water-cooled copper hearth with a graphite or alumina liner is specified to prevent alloying and contamination at the high temperatures required to evaporate platinum (melting point 1772°C).
How should platinum evaporation pellets be stored and handled to maintain purity?
Platinum pellets with 99.99% purity should be stored in a clean, dry environment away from dust and reactive chemicals to avoid surface contamination. Handling should be done with clean tweezers or gloves to prevent oils or particulates from compromising film quality. The 3–6 mm pellet size is designed for easy loading into boats or hearths, but care must be taken to avoid cross-contamination when switching materials in multi-source systems.
Atomfair's Platinum evaporation pellets (99.99% purity, 3-6 mm) are suitable for high-purity thin-film deposition via thermal or e-beam evaporation, with defined source compatibility and pack size options for laboratory-scale workflows.
Positive
- High purity specification: 99.99% purity ensures minimal contamination in thin films, critical for reproducible electronic and optical properties.
- Defined pellet size and source compatibility: 3-6 mm pellets are compatible with Mo/W/Ta boats or water-cooled e-beam hearths with graphite/alumina liners, simplifying process integration.
Trade-offs
- High melting point requires robust source hardware: Melting point of 1,772 °C necessitates high-power evaporation sources and careful thermal management to avoid damage to boats or liners.
- Z-ratio and density demand process calibration: A Z-ratio of 0.245 and density of 21.45 g/cm³ require accurate deposition rate monitoring and thickness calibration, especially for e-beam evaporation.
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).
