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Magnesium Oxide (MgO) Evaporation Material, Powder, 99.95%, < 55 nm
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 evaporation material imposes specific hardware and process constraints for successful thin-film deposition. The powder form and nanoscale particle size require careful selection of source liner material and loading technique.
- Hardware Compatibility: Use an E-beam evaporation source with a graphite, Al2O3, or BN liner, or a W/Mo/Ta boat; thermal evaporation is available by request.
- Process Matching: Match the deposition source geometry and process parameters to the material's melting point of 2852°C and density of 3.58 g/cm³.
- Source Loading: Load the powder with <55 nm particle size into the liner or boat carefully to ensure uniform evaporation and prevent spitting.
What is the significance of the Z-ratio of 0.411 for this MgO evaporation material, and how does it affect thickness monitoring during e-beam deposition?
The Z-ratio of 0.411 is a material-specific parameter required for accurate quartz crystal microbalance (QCM) monitoring of film thickness during e-beam evaporation. This value allows the deposition controller to correct for the acoustic impedance mismatch between MgO and the quartz crystal, enabling precise rate and thickness control for thin-film deposition. The provided Z-ratio is essential for researchers to program their deposition system correctly and achieve reproducible film properties.
Which liner or boat materials are recommended for evaporating MgO powder with a melting point of 2,852 °C, and why is e-beam evaporation preferred over thermal evaporation?
For e-beam evaporation, this MgO powder is compatible with hearths using graphite, Al2O3, or BN liners; for thermal evaporation, W, Mo, or Ta boats can be used, but thermal evaporation is available only by RFQ. E-beam evaporation is preferred because the material's high melting point (2,852 °C) and low Z-ratio (0.411) yield good performance with e-beam heating, while thermal evaporation may require more frequent boat replacement and process optimization. The specified sheet2 hardware is graphite, confirming a common liner choice for this application.
How does the < 55 nm particle size of this MgO powder influence the loading and evaporation characteristics in a vacuum deposition system?
The < 55 nm particle size ensures consistent source loading and uniform evaporation behavior, reducing the risk of spitting or non-uniform film deposition. The fine powder allows for better packing density in the hearth or boat, promoting stable evaporation rates. This sizing is specified to support direct procurement and deposition-process matching without additional milling or sieving.
Magnesium Oxide (MgO) evaporation material with 99.95% purity and sub-55 nm particle size is optimized for e-beam evaporation using graphite, Al2O3, or BN liners, but thermal evaporation requires RFQ coordination and specific boat materials.
Positive
- High purity 99.95%: The 99.95% purity specification minimizes contamination in deposited thin films, supporting consistent optical and electrical properties in research-grade coatings.
- Sub-55 nm particle size: The fine powder form with particle size <55 nm promotes uniform evaporation rates and efficient source loading, reducing the risk of spitting or incomplete vaporization.
Trade-offs
- Thermal evaporation requires RFQ: Thermal evaporation is not a standard configuration; it requires a request-for-quotation, adding lead time and coordination for users relying on thermal boats.
- Specific liner materials required: E-beam evaporation necessitates graphite, Al2O3, or BN liners, or W/Mo/Ta boats, limiting direct compatibility with unlined or generic hearths.
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).
