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Lead Antimonide Sputtering Target

ST0942 Lead Antimonide Sputtering Target, PbSb

Chemical FormulaPbSb
Catalog No.ST0942
CAS Number12266-38-5
Purity99.9%, 99.95%, 99.99%, 99.995%, 99.999%
ShapeDiscs, Plates, Column Targets, Step Targets, Custom-made

 

Lead Antimonide sputtering target  come in various forms, purities, sizes, and prices. Thin Film Materials (TFM) manufactures and supplies top-quality sputtering targets at competitive prices.

Introduction

Lead Antimonide Sputtering Target (PbSb) is a compound or alloy target designed for thin film deposition in thermoelectric, semiconductor, and functional coating applications. By combining lead’s high carrier mobility characteristics with antimony’s semimetallic behavior, PbSb materials enable the fabrication of films with tailored electrical and thermal transport properties.

In magnetron sputtering processes, compositional precision and microstructural uniformity are critical to achieving consistent film performance. PbSb sputtering targets are manufactured under controlled conditions to ensure stable plasma behavior, uniform erosion, and reproducible thin film composition in both research and industrial environments.

Detailed Description

Lead Antimonide (PbSb) can be supplied as a pre-alloyed material or as a stoichiometric compound depending on application requirements. Careful melting and alloying processes are used to achieve homogeneous distribution of Pb and Sb, minimizing phase segregation and ensuring stable sputtering performance.

Key characteristics include:

  • Controlled Pb/Sb Ratio – Precise composition ensures predictable electrical conductivity and thermoelectric response.

  • High Density (≥ 99% theoretical) – Reduces arcing and particle generation during sputtering.

  • Optimized Grain Structure – Supports uniform erosion and stable deposition rate.

  • Low Impurity Levels (3N–4N typical) – Minimizes unwanted defect states in semiconductor films.

PbSb sputtering targets are available in planar or rotary configurations, with optional copper backing plates for enhanced heat dissipation and mechanical stability. Proper bonding improves thermal conductivity and reduces cracking risk during high-power sputtering.

Due to the relatively low melting point of lead-containing materials, power control and substrate temperature management are recommended to ensure film quality and compositional stability.

Applications

Lead Antimonide Sputtering Target is widely used in:

  • Thermoelectric Thin Films
    Fabrication of materials for heat-to-electricity conversion research.

  • Infrared (IR) Detection Materials
    Pb-based alloy films for infrared sensing and detection studies.

  • Semiconductor & Electronic Research
    Exploration of narrow bandgap materials and carrier transport properties.

  • Functional Coatings
    Specialty alloy films with tunable electrical characteristics.

  • Advanced Materials R&D
    Investigation of lead-antimony phase systems and thin film thermoelectrics.

Technical Parameters

ParameterTypical Value / RangeImportance
Purity99.9% – 99.99% (3N–4N)Reduces defect formation in thin films
CompositionCustom Pb/Sb ratio (wt% or at%)Controls electrical & thermoelectric properties
Diameter25 – 300 mm (custom)Compatible with sputtering cathodes
Thickness3 – 8 mmInfluences target lifetime
Density≥ 99% theoreticalEnsures stable plasma conditions
Backing PlateCopper (optional)Improves heat dissipation & bonding stability

Comparison with Related Materials

MaterialKey AdvantageTypical Application
Lead Antimonide (PbSb)Tunable thermoelectric & narrow bandgap propertiesThermoelectric & IR films
Pure Lead (Pb)High carrier mobilityIR detector research
Antimony (Sb)Semimetal behaviorSemiconductor alloying
Bismuth Antimonide (BiSb)High thermoelectric efficiencyAdvanced thermoelectrics

Compared with pure Pb or Sb targets, PbSb alloys provide more balanced electrical and thermal properties, making them suitable for thermoelectric and infrared-related thin film development.

FAQ

QuestionAnswer
Can the Pb/Sb composition be customized?Yes, both weight and atomic percentage ratios can be tailored to meet specific application requirements.
Is the target supplied pre-alloyed?Yes, standard PbSb targets are pre-alloyed to ensure uniform sputtering behavior.
Are bonded targets available?Yes, copper backing plates are available for improved thermal management.
Which sputtering methods are compatible?Suitable for DC and RF magnetron sputtering depending on system design.
What industries use PbSb films most?Thermoelectric research, infrared detection development, semiconductor R&D, and advanced materials laboratories.

Packaging

Our Lead Antimonide Sputtering Target are meticulously tagged and labeled externally to ensure efficient identification and maintain high standards of quality control. We take great care to prevent any potential damage during storage and transportation, ensuring the targets arrive in perfect condition.

Conclusion

Lead Antimonide Sputtering Target (PbSb) provides a reliable and compositionally flexible solution for depositing thermoelectric and semiconductor alloy thin films. With controlled stoichiometry, high density, and optional backing configurations, PbSb targets support both advanced research and specialized industrial coating applications.

For detailed specifications and a quotation, please contact us at sales@thinfilmmaterials.com.

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FAQ

It’s the source material (in solid form) used in sputter deposition to eject atoms or molecules that then form a thin film on a substrate.

Targets can be pure metals (e.g., gold, copper, aluminum), ceramics (e.g., Al₂O₃, SiO₂, TiO₂), alloys, or composites—chosen based on the film’s desired properties.

 

They are produced by processes such as melting/casting for metals or sintering (often with hot isostatic pressing) for ceramics and composite targets to ensure high density and purity.

 

In a vacuum chamber, a plasma (typically argon) bombards the target, ejecting atoms that travel and condense on a substrate, forming a thin film.

 

Key factors include the target’s purity, density, grain structure, and the sputtering yield (i.e. how many atoms are ejected per incident ion), as well as operating conditions like power density and gas pressure.

 

Operators monitor target erosion (often by measuring the depth of the eroded “race track”) or track total energy delivered (kilowatt-hours) until it reaches a threshold that can compromise film quality.

 

Fragile materials (such as many ceramics or certain oxides) and precious metals often require a backing plate to improve cooling, mechanical stability, and to allow thinner targets that reduce material costs.

 

DC sputtering is used for conductive targets, while RF sputtering is necessary for insulating targets (like many oxides) because it prevents charge buildup on the target’s surface.

 

In reactive sputtering, a reactive gas (e.g., oxygen or nitrogen) is introduced to form compound films on the substrate, but it may also “poison” the target surface if not carefully controlled.

 

Many manufacturers prefer to control raw material quality by sourcing their own powders; using external powders can risk impurities and inconsistent target properties.

 

Targets should be stored in clean, dry conditions (often in original packaging or re-wrapped in protective materials) and handled with gloves to avoid contamination, ensuring optimal performance during deposition.

Deposition rate depends on factors such as target material and composition, power density, working gas pressure, substrate distance, and the configuration of the sputtering system (e.g., magnetron design).

 
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