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Magnesium (Mg) Evaporation Material, Pieces, 99.9%, 3-6 mm
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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This evaporation material requires thermal or resistive evaporation using a molybdenum, tungsten, or tantalum boat, or a graphite or alumina crucible. The evaporation process must be matched to the material's thermal properties and Z-ratio for accurate film thickness control.
- Evaporation Source Compatibility: Use only Mo, W, or Ta boat or graphite/alumina crucible for thermal evaporation to avoid contamination and ensure proper evaporation.
- Process Matching: Confirm that the evaporation method and source geometry are compatible with the material's melting point and density to prevent incomplete evaporation or source damage.
- Particle Size Handling: The 3-6 mm piece size requires appropriate source loading techniques to ensure uniform evaporation and prevent source clogging.
What is the significance of the Z-ratio of 1.61 for this Magnesium evaporation material in quartz crystal microbalance (QCM) thickness monitoring?
The Z-ratio of 1.61 is a material-specific acoustic impedance factor required for accurate QCM thickness monitoring during deposition. Using this value in the deposition controller corrects for the acoustic mismatch between the quartz crystal and the deposited Magnesium film, enabling precise film thickness control. The product datasheet explicitly lists the Z-ratio as 1.61, confirming it is a calibrated parameter for this material.
Why is thermal/resistive evaporation preferred over e-beam for this Magnesium evaporation material, and under what conditions is e-beam acceptable?
Thermal/resistive evaporation is preferred because Magnesium has a low melting point (649 °C) and high vapor pressure at modest temperatures, allowing efficient deposition from a resistively heated boat. Low-power e-beam evaporation is listed as optional, but requires careful control to avoid overheating or damaging the Mg pieces due to their high vapor pressure. The source specifies Mo/W/Ta boats or graphite/alumina crucibles as compatible hardware for both methods.
How does the 3-6 mm piece size affect source loading and evaporation behavior in a boat or crucible?
The 3-6 mm piece size provides a consistent granular form that packs efficiently in a boat or crucible, minimizing bridging and ensuring uniform thermal contact during evaporation. This size range is specified to support source loading and reliable evaporation review, as stated in the product description. The pieces are large enough to avoid evaporation source blow-off yet small enough to allow even heat distribution across the source.
Magnesium (Mg) evaporation pieces with 99.9% purity and 3-6 mm particle size for thermal resistive evaporation, requiring careful source geometry and parameter matching due to low melting point (649°C) and density (1.74 g/cm³).
Positive
- High purity and defined particle size: 99.9% purity and 3-6 mm pieces ensure consistent evaporation behavior and film quality for research-grade thin-film deposition.
- Flexible evaporation source compatibility: Compatible with Mo/W/Ta boats or graphite/alumina crucibles, supporting both thermal resistive and low-power e-beam evaporation methods.
Trade-offs
- Requires pre-order source geometry confirmation: Buyers must confirm deposition source geometry, pack size, certificate, and shipment conditions before quotation to ensure hardware compatibility.
- Low melting point and density demand process tuning: Melting point of 649°C and density of 1.74 g/cm³ require careful matching of evaporation source hardware and process parameters to avoid material spitting or uneven film growth.
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).
