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Bismuth (Bi) 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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This document outlines the technical constraints for processing bismuth evaporation material. Proper source selection and deposition method are critical to achieving consistent thin-film quality.
- Source Compatibility: Select a Mo/W/Ta boat or graphite/alumina crucible that is compatible with bismuth's melting point and does not introduce contamination.
- Deposition Method: Thermal resistive evaporation is preferred; low-power e-beam may be used with appropriate power density control.
- Melting Point Management: The melting point of 271°C requires careful temperature control to avoid material splattering or uneven evaporation.
- Z-Ratio Calibration: Input the Z-ratio of 0.79 into the deposition monitor for accurate film thickness measurement during e-beam evaporation.
- Procurement Verification: Confirm deposition-source compatibility and required pack size before finalizing quotation.
What is the purity specification of this Bismuth (Bi) evaporation material and how does it impact thin film quality?
This Bismuth evaporation material is specified at 99.99% purity, which minimizes contamination during deposition and is critical for achieving consistent thin film properties in research-grade applications.
What evaporation methods and source materials are compatible with Bismuth (Bi) pieces?
Thermal/resistive evaporation is the preferred method, with low-power e-beam evaporation as an optional alternative. Compatible source materials include molybdenum (Mo), tungsten (W), or tantalum (Ta) boats, as well as graphite or alumina crucibles.
Why is Bismuth (Bi) supplied as 3-6 mm pieces rather than other forms?
The 3-6 mm piece size is specifically chosen to facilitate easy loading into evaporation sources and to ensure consistent, controlled evaporation behavior during vacuum deposition.
Bismuth (Bi) evaporation material in 99.99% purity, supplied as 3-6 mm pieces, is suitable for thermal resistive evaporation for thin-film deposition, but its low melting point (271°C) and low Z-ratio (0.79) require careful process control and sensor calibration.
Positive
- High purity 99.99%: The 99.99% purity specification minimizes contamination in deposited films, ensuring consistent electrical and optical properties for research-grade thin-film applications.
- Defined piece size 3-6 mm: The controlled 3-6 mm piece size facilitates uniform loading into boats or crucibles, promoting stable evaporation rates and repeatable deposition runs.
Trade-offs
- Low melting point (271°C): Bismuth's low melting point and high vapor pressure necessitate precise temperature ramping and power control to avoid splattering or uncontrolled evaporation during thermal resistive deposition.
- Low Z-ratio (0.79): The low Z-ratio of 0.79 can cause significant errors in quartz crystal microbalance thickness monitoring, requiring calibration adjustments or use of a tooling factor to maintain film thickness accuracy.
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).
