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Potassium Hydroxide (KOH) 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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Why is e-beam evaporation recommended over thermal evaporation for KOH evaporation material?
E-beam evaporation is preferred for Potassium Hydroxide (KOH) due to its melting point of 360°C and behavior as a compound evaporation material. Thermal evaporation is available by RFQ but requires compatible liner or boat materials such as graphite, Al2O3, BN, or W/Mo/Ta, as specified in the product's evaporation source parameters.
What liner or boat materials are compatible with evaporating KOH pieces?
Compatible evaporation source components for KOH pieces include an E-beam hearth with graphite, Al2O3, or BN liner, or a W/Mo/Ta boat. These materials are listed in the product's technical specifications to ensure proper deposition-source matching.
What is the significance of the 99.99% purity and 1–3 mm piece size for vacuum deposition of KOH?
The 99.99% purity ensures minimal contamination for high-quality thin films, critical for research-grade applications. The 1–3 mm piece size is designed for consistent loading into evaporation sources and stable evaporation rates, as stated in the product specifications for Potassium Hydroxide (KOH) evaporation material.
Potassium Hydroxide (KOH) evaporation material in 99.99% purity, 1-3 mm pieces, is evaluated for vacuum thin-film deposition. The hygroscopic nature and low melting point (360°C) impose strict handling and source-matching requirements, while the high purity supports consistent film stoichiometry in E-beam evaporation workflows.
Positive
- High purity for film consistency: The 99.99% purity specification minimizes contaminant incorporation during evaporation, supporting reproducible thin-film stoichiometry in research-grade deposition processes.
- Defined particle size for source loading: The 1-3 mm piece size facilitates uniform loading into E-beam hearths or thermal boats, reducing void formation and improving evaporation rate stability.
Trade-offs
- Hygroscopic material requires dry handling: KOH is highly hygroscopic; exposure to ambient moisture can alter material composition and degrade evaporation performance, necessitating storage in a desiccated environment and minimized air exposure during loading.
- Low melting point limits thermal process window: With a melting point of 360°C, the material is prone to premature melting and decomposition if heating rates are not carefully controlled, requiring precise temperature ramping and compatible liner materials (graphite, Al2O3, BN) to avoid contamination.
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).
