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Vanadium (V) Evaporation Material, Pellets, 99.9%, 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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Vanadium evaporation pellets require e-beam deposition using a water-cooled copper hearth with graphite, Al2O3, BN, or Ta liner compatibility. The material's melting point of 1,890°C and Z-ratio of 0.53 dictate process parameter settings for thin-film deposition.
- Preferred Evaporation Method: E-beam evaporation is the preferred method for this material.
- Hearth Requirement: Water-cooled copper hearth is necessary to dissipate heat during evaporation.
- Liner Compatibility: Compatible liners include graphite, aluminum oxide, boron nitride, and tantalum.
- Pellet Size: Pellet size of 1-3 mm ensures consistent feeding into the electron beam.
- Z-Ratio Use: The Z-ratio of 0.53 must be entered into the quartz crystal monitor for accurate thickness measurement.
What is the significance of the Z-ratio of 0.53 for vanadium evaporation material in e-beam deposition?
The Z-ratio of 0.53 is a material-specific factor used in quartz crystal microbalance (QCM) monitoring to correct for the acoustic impedance of vanadium during thin-film deposition. This value must be programmed into the deposition controller to ensure accurate in-situ thickness measurement, as it directly affects the calibration of the crystal monitor. The product specification lists a Z-ratio of 0.53, which is typical for pure vanadium and should be applied when using e-beam evaporation with the recommended water-cooled copper hearth and compatible liners.
What liner materials are recommended for evaporating vanadium pellets in an e-beam system?
The product description specifies compatibility with graphite, Al2O3, BN, or Ta liners, with a water-cooled copper e-beam hearth as the preferred evaporation source. The choice of liner depends on the required thermal stability and chemical inertness at the high melting point of vanadium (1890°C) to avoid contamination or reaction during deposition.
How does the pellet size (1-3 mm) of vanadium evaporation material influence loading and deposition uniformity?
The 1-3 mm pellet size is designed to facilitate consistent loading and uniform evaporation in e-beam hearths. The narrow size range minimizes void space, improves thermal contact with the hearth, and ensures steady material feed during deposition. Pellets are supplied in research-scale pack sizes from 25g to 1kg, allowing precise quantity matching to the deposition run.
Vanadium pellets (99.9%, 1-3 mm) are suited for E-beam evaporation with a water-cooled copper hearth, offering a high melting point (1,890°C) and moderate density (5.96 g/cm³) for thin-film deposition in vacuum processes.
Positive
- High purity 99.9%: Defined 99.9% purity ensures consistent evaporation behavior and film quality for research-grade applications.
- Controlled pellet size 1-3 mm: Pellet form with 1-3 mm size range facilitates uniform loading into E-beam hearths and liners, improving process reproducibility.
Trade-offs
- High melting point requires e-beam: Vanadium melts at 1,890°C, necessitating E-beam evaporation with a water-cooled copper hearth or compatible liner; thermal evaporation may not be feasible.
- Z-ratio of 0.53 complicates rate control: A Z-ratio of 0.53 differs from unity, requiring quartz crystal monitor calibration and process tuning for accurate deposition rate measurement.
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).
