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Potassium (K) Evaporation Material, Sealed ampoule, 99.5%, quantity by RFQ
Product Type: Pure Metal 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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Store sealed ampoules under dry inert atmosphere to prevent oxidation and moisture absorption. Handle only in strictly inert environments to avoid hazardous reactions due to the material's high reactivity with water and oxygen.
- Inert Atmosphere Requirement: All handling, ampoule opening, and material loading must be performed inside a glovebox or under a continuous dry inert gas purge.
- Moisture and Oxygen Sensitivity: Exposure to ambient humidity or air can cause rapid oxidation, ignition, or violent reaction; keep the ampoule sealed until use.
- Evaporation Source Compatibility: Use only tantalum, molybdenum, or tungsten boats in an inert handling setup to avoid chemical attack or contamination during thermal evaporation.
This procedure outlines the steps to safely handle, open, and load potassium evaporation material for thermal evaporation under strict dry inert conditions. Always perform all steps in an inert atmosphere glovebox or under a continuous inert gas flow to prevent combustion or oxidation.
Required Equipment: Inert atmosphere glovebox or glove bag, Sealed ampoule cutter or safe opener, Tantalum, molybdenum, or tungsten evaporation boat, Inert gas supply (argon or nitrogen)
- Transfer to glovebox
Transfer the sealed ampoule into an inert atmosphere glovebox without opening the outer packaging. - Open ampoule under inert gas
Open the ampoule carefully inside the glovebox using a suitable cutter, ensuring no exposure to ambient air. - Load material into boat
Load the required amount of potassium into a pre-cleaned tantalum, molybdenum, or tungsten boat using inert tools. - Place boat in deposition chamber
Transfer the loaded boat to the evaporation chamber while maintaining an inert atmosphere or using a vacuum load lock. - Evacuate and heat
Evacuate the chamber to base pressure, then heat the boat to evaporate potassium while monitoring deposition rate.
What are the key physical properties of this Potassium evaporation material (melting point, density) and how do they influence deposition parameters?
This Potassium evaporation material has a melting point of 63°C and a density of 0.86 g/cm³, as specified in the technical data. The low melting point requires careful temperature control during thermal/resistive evaporation to avoid rapid evaporation or spitting, while the low density influences boat loading and film thickness calibration. These properties also necessitate strict dry inert handling to prevent oxidation.
What evaporation source and method are required for this Potassium material?
The product is designed for thermal/resistive evaporation using a sealed ampoule or a Ta/Mo/W boat in an inert handling setup. The evaporation method requires strict dry inert conditions, as stated in the product description. Buyers must confirm compatibility with their deposition source hardware before ordering.
Why is this Potassium evaporation material supplied in a sealed ampoule and what handling precautions are necessary?
The material is supplied in a sealed ampoule to prevent exposure to air and moisture, which is critical for maintaining purity and safety. The product description specifies that it must be used under strict dry inert handling for thermal/resistive evaporation, and that the evaporation source (e.g., Ta/Mo/W boat) must be compatible with inert conditions. Review of the safety data sheet and certificate is recommended before use.
Potassium (K) evaporation material in sealed ampoule with 99.5% purity is suitable for thermal/resistive evaporation under strict inert handling, but requires careful temperature control and inert atmosphere due to low melting point (63°C) and high reactivity with air and moisture.
Positive
- Defined purity and material identity: The product specifies 99.5% purity and elemental potassium, enabling precise procurement matching and consistent film composition in vacuum deposition processes.
- Multiple pack size options: Available in 100g, 500g, and 1kg packs, allowing selection of quantity matched to deposition run scale and source loading requirements.
Trade-offs
- Strict inert handling required: Potassium is highly reactive with air and moisture, necessitating inert atmosphere handling during storage, ampoule opening, and deposition to prevent oxidation and safety hazards.
- Low melting point complicates thermal control: A melting point of 63°C requires careful temperature management during source loading and evaporation to avoid premature melting, splattering, or non-uniform deposition.
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).
