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Indium (In) Evaporation Material, Pellets, 99.999%, 1-3 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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Indium pellets require careful selection of evaporation source materials to avoid contamination and ensure proper deposition. The low melting point and specific Z-ratio necessitate precise temperature control and thickness monitoring.
- Source Material Compatibility: Use only Mo, W, or Ta boats or graphite or alumina crucibles to prevent alloying or contamination during evaporation.
- Evaporation Method Selection: Thermal or resistive evaporation is preferred, with low-power e-beam as an optional method requiring careful parameter adjustment.
- Melting Point Management: The low melting point of 157°C requires controlled heating rates to avoid spitting or uneven evaporation.
- Z-Ratio Calibration: The Z-ratio of 0.841 must be entered into the thickness monitor for accurate film thickness measurement.
- Pellet Size Handling: The 1-3 mm pellet size ensures uniform loading and consistent evaporation rates in standard sources.
Follow these steps for loading and evaporating indium pellets in a vacuum deposition system. Ensure proper source selection and parameter settings to achieve high-quality thin films.
Required Equipment: Vacuum deposition system, Mo, W, or Ta boat or graphite or alumina crucible, Thickness monitor with Z-ratio input
- Select the Source
Select a Mo, W, or Ta boat or a graphite or alumina crucible compatible with indium evaporation. - Load the Pellets
Load the indium pellets into the source, ensuring uniform distribution for consistent evaporation. - Set Evaporation Parameters
Set the evaporation temperature based on the melting point of 157°C and enter the Z-ratio of 0.841 into the thickness monitor. - Start Evaporation
Begin thermal or resistive evaporation under vacuum, monitoring the deposition rate and film thickness.
What is the significance of the Z-ratio value of 0.841 for indium evaporation material in thin-film deposition?
The Z-ratio of 0.841 is a material-specific parameter used to calibrate quartz crystal microbalance (QCM) thickness monitors during indium evaporation. This value accounts for the acoustic impedance mismatch between the deposited indium film and the quartz crystal sensor, enabling accurate real-time film thickness measurement and process control. Entering the correct Z-ratio (0.841) into the deposition controller is essential for achieving the intended film thickness and repeatability.
What boat or crucible materials are recommended for thermal evaporation of 99.999% indium pellets?
For thermal/resistive evaporation of indium, molybdenum (Mo), tungsten (W), or tantalum (Ta) boats are preferred, along with graphite or alumina crucibles. These materials resist wetting and alloying with molten indium, preserving the 99.999% purity of the source. Low-power electron beam evaporation is optional but requires careful source selection; the product is primarily designed for thermal evaporation using these boat/crucible options.
Why is the 1–3 mm pellet size specified for indium evaporation material?
The 1–3 mm pellet size is specified to ensure consistent source loading and uniform melting in thermal evaporation boats and crucibles. This size range balances ease of handling with controlled evaporation behavior: pellets are small enough to avoid excessive power requirements but large enough to prevent uneven feeding or premature evaporation. The specified form factor supports reliable deposition process setup for laboratory thin-film workflows.
Indium (In) evaporation pellets (99.999%, 1-3 mm) for thermal resistive evaporation, with low melting point (157°C) and defined pellet form, requiring careful temperature control and thickness monitor calibration.
Positive
- High purity 99.999%: The 99.999% purity specification supports low-contamination thin-film deposition, critical for electronic and optoelectronic applications where trace impurities degrade performance.
- Compatible with multiple evaporation sources: Compatible with Mo/W/Ta boats or graphite/alumina crucibles and both thermal/resistive (preferred) and low-power e-beam methods, offering flexibility in deposition system integration.
Trade-offs
- Low melting point (157°C): The low melting point requires precise temperature control to avoid premature melting or uncontrolled evaporation, which can affect film uniformity and reproducibility.
- Z-ratio of 0.841 requires calibration: The Z-ratio of 0.841 must be accounted for in quartz crystal microbalance thickness monitors to ensure accurate film thickness measurement during 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).
