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Cadmium (Cd) Evaporation Material, Pieces, 99.99%, 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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Cadmium evaporation material requires EHS review and dedicated crucible or liner for safe handling. Deposition source compatibility must be confirmed before use to avoid contamination and exposure.
- EHS Review Requirement: E-beam or thermal evaporation may only be used after an EHS review.
- Crucible Compatibility: A dedicated crucible or liner must be selected per RFQ for cadmium evaporation.
- Deposition Source Matching: Evaporation source hardware and process route must be matched to material behavior and film requirements.
- Documentation Review: Certificate of analysis, safety data sheet, and shipment conditions should be reviewed for laboratory use.
This procedure outlines safe handling and loading of cadmium evaporation material for vacuum deposition. Steps include EHS review, crucible selection, loading, and system configuration.
Required Equipment: Dedicated crucible or liner, E-beam or thermal evaporation system, Personal protective equipment, Controlled environment (glovebox or fume hood)
- Conduct EHS Review
Obtain an EHS review and approval for using cadmium evaporation material in the deposition system. - Select Crucible
Select a dedicated crucible or liner that is compatible with cadmium and obtain it via RFQ. - Load Material
Transfer the cadmium pieces into the crucible in a controlled environment to minimize exposure. - Install Crucible
Install the loaded crucible into the evaporation source and verify system integrity and sealing. - Configure Deposition Parameters
Set the evaporation parameters according to the material's properties and film requirements as determined during application matching.
What is the significance of the Z-Ratio of 0.682 for cadmium evaporation material in thin-film deposition?
The Z-Ratio of 0.682 is used in quartz crystal microbalance (QCM) thickness monitoring to correct for acoustic impedance mismatch between the deposited material and the quartz crystal. For cadmium, this relatively low Z-Ratio means the QCM sensor must be calibrated with this value to avoid systematic errors in film thickness measurement during E-beam or thermal evaporation.
What are the critical safety and equipment considerations for evaporating cadmium (Cd) in vacuum deposition systems?
Cadmium is a toxic heavy metal, so evaporation requires a dedicated crucible or liner (by RFQ) to prevent cross-contamination and must be performed only after an environmental health and safety (EHS) review. The low melting point of 321°C allows thermal evaporation, but the material's vapor pressure and toxicity demand rigorous containment, exhaust, and operator protection protocols.
Why is the 3-6 mm particle size specified for cadmium evaporation pieces, and how does it affect source loading?
The 3-6 mm particle size is specified to ensure uniform feeding and consistent evaporation in boat or crucible sources. This size range prevents issues such as uneven melting from larger pieces or spitting and bridging from smaller particles, supporting stable deposition rates in E-beam or thermal evaporation processes.
Cadmium (Cd) evaporation pieces with 99.99% purity and 3-6 mm particle size suitable for vacuum thin-film deposition. Requires EHS review prior to use and dedicated crucible/liner by RFQ, with melting point (321°C), density (8.64 g/cm³), and Z-ratio (0.682) specified for process tuning.
Positive
- High purity (99.99%): The 4N purity specification minimizes contamination risk in thin-film deposition, enabling consistent film properties for research-grade applications.
- Defined particle size (3–6 mm pieces): The uniform pieces size facilitates controlled loading into evaporation sources, supporting reproducible evaporation rates and film thickness uniformity.
Trade-offs
- EHS review required before use: The product may only be used with E-beam or thermal evaporation after an environmental health and safety review, adding a procedural step for laboratory deployment.
- Dedicated crucible/liner by RFQ: A dedicated crucible or liner is required to avoid cross-contamination, and must be requested via quotation, increasing procurement complexity and potential lead time.
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).
