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Gallium (Ga) Evaporation Material, Shots, 99.99%, Shots 1-5 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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Gallium melts near room temperature and may supercool, requiring storage in a controlled environment to prevent unintended liquefaction or container damage. The material is sensitive to temperature fluctuations and must be kept in a sealed, dry container to avoid oxidation and contamination.
- Storage Temperature: Store below 30°C to maintain solid form and prevent melting or leakage.
- Containment: Keep in an airtight container to prevent oxidation and moisture absorption.
- Handling Precautions: Handle with clean tools to avoid introducing contaminants that could affect evaporation quality.
This procedure covers the safe handling and loading of gallium shots into an evaporation source for thin-film deposition. Proper source selection and temperature control are critical to avoid material loss or equipment damage.
Required Equipment: Molybdenum (Mo), tungsten (W), or tantalum (Ta) boat, Graphite or alumina crucible, Clean tweezers or spatula
- Inspect the source
Inspect the evaporation boat or crucible for cleanliness and integrity before loading. - Load the gallium shots
Transfer the required amount of gallium shots into the boat or crucible using clean tweezers or a spatula. - Set the evaporation parameters
Set the evaporation source to a temperature slightly above gallium's melting point (30°C) to achieve controlled evaporation. - Monitor the deposition process
Monitor the deposition rate and adjust power gradually to maintain a stable evaporation rate. - Allow the source to cool
Allow the source to cool completely before removing any residual material or cleaning the source.
What are the storage and handling requirements for gallium evaporation material due to its low melting point?
Gallium has a melting point of 30°C, meaning it can melt in warm environments or under hand contact. Storage should be maintained below this temperature to prevent fusion of the shots (1–5 mm size) and contamination. The material is supplied as shots, so climate-controlled conditions and careful handling are recommended to preserve its physical form for vacuum deposition.
What boat or crucible materials are compatible with gallium evaporation?
The product specification lists molybdenum (Mo), tungsten (W), and tantalum (Ta) boats, as well as graphite or alumina crucibles as compatible evaporation sources. These materials are suitable for both the preferred thermal/resistive method and optional low-power e-beam evaporation.
Why is thermal resistive evaporation preferred over e-beam for gallium?
The product data indicates thermal/resistive evaporation is the preferred method, with low-power e-beam listed as optional. This is consistent with gallium's low melting point of 30°C, which enables efficient vaporization at low thermal input, reducing the risk of overheating and simplifying process control when using Mo/W/Ta boats or graphite/alumina crucibles.
This 99.99% pure gallium shot evaporation material (1-5 mm) is optimized for thermal/resistive evaporation using Mo/W/Ta boats or graphite/alumina crucibles, with low-power e-beam as an optional route. Its low melting point (30°C) and density of 5.9 g/cm³ require careful handling and source-matching to avoid premature melting and ensure uniform film deposition.
Positive
- High purity with defined form: The 99.99% purity and 1-5 mm shot form provide a consistent, traceable material for vacuum deposition, enabling reproducible film stoichiometry and simplifying source loading.
- Flexible evaporation source compatibility: Compatible with Mo/W/Ta boats and graphite/alumina crucibles, supporting both thermal/resistive evaporation (preferred) and low-power e-beam, offering process flexibility across different deposition systems.
Trade-offs
- Low melting point requires careful handling: With a melting point of 30°C, gallium can liquefy near room temperature, necessitating temperature-controlled storage and handling to prevent premature melting and contamination before deposition.
- Source geometry must be matched: The 1-5 mm shot size and low melting point require precise matching of evaporation source geometry and power settings to avoid spitting or uneven evaporation, especially in e-beam configurations.
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).
