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ST0317 Aluminum Telluride Sputtering Target, Al2Te3

Chemical Formula: AlTe
Catalog Number: ST0317
CAS Number: 23330-86-1
Purity: 99.9%, 99.95%, 99.99%, 99.995%, 99.999%
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made

Aluminum Telluride 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

The Aluminum Telluride Sputtering Target (Al₂Te₃) is a compound semiconductor material used in thin film deposition processes for electronic, optoelectronic, and research applications. Aluminum telluride belongs to the family of III–VI compound semiconductors and has attracted increasing attention due to its unique electrical and optical properties. When deposited as a thin film through magnetron sputtering or other physical vapor deposition (PVD) techniques, Al₂Te₃ can serve as a functional material in semiconductor devices, photonic systems, and advanced research on chalcogenide materials.

Because of its tunable electronic structure and compatibility with other telluride-based compounds, aluminum telluride thin films are often explored in infrared technologies, thermoelectric materials research, and compound semiconductor development.

Detailed Description

Aluminum Telluride sputtering targets are manufactured using high-purity aluminum and tellurium sources through controlled synthesis and advanced sintering or hot-pressing processes. These techniques ensure the formation of a dense, homogeneous target with consistent stoichiometry, which is critical for stable sputtering performance and uniform thin film deposition.

Al₂Te₃ exhibits semiconductor behavior with a band structure suitable for optoelectronic and infrared-related applications. The compound combines the lightweight, conductive characteristics of aluminum with the semiconducting and photonic properties of tellurium. As a result, aluminum telluride films can provide useful electrical and optical characteristics for specialized thin film devices.

In thin film deposition systems, aluminum telluride targets enable the growth of compound semiconductor layers with controlled composition and thickness. Maintaining the correct Al-to-Te ratio is particularly important for achieving the desired electrical properties and crystal structure. High-density targets help minimize particle generation during sputtering and ensure stable deposition rates.

Depending on system requirements, Al₂Te₃ sputtering targets may be supplied as planar targets or bonded targets with copper backing plates, which improve thermal conductivity and mechanical stability during high-power sputtering operations.

Applications

Aluminum Telluride sputtering targets are used in several advanced research and technology fields:

  • Compound semiconductor thin films used in electronic and optoelectronic devices

  • Infrared and photonic materials research involving telluride-based compounds

  • Thermoelectric material studies where tellurium-containing compounds play a role

  • Thin film electronics requiring precise control of semiconductor composition

  • Photodetectors and optical sensors in specialized research environments

  • Academic and industrial R&D exploring new chalcogenide materials

Technical Parameters

ParameterTypical Value / RangeImportance
Purity99.9% – 99.99%High purity ensures reliable semiconductor film properties
Chemical FormulaAl₂Te₃Determines compound stoichiometry and electronic structure
Diameter25 – 300 mm (custom)Compatible with common sputtering systems
Thickness3 – 6 mmInfluences sputtering stability and target lifetime
Density≥ 95% theoretical densityImproves sputtering efficiency and film uniformity
BondingCopper backing plate / Indium bondedEnhances heat transfer and structural stability

Comparison with Related Materials

MaterialKey AdvantageTypical Application
Aluminum Telluride (Al₂Te₃)Semiconductor properties with telluride-based functionalityOptoelectronic and thermoelectric research
Aluminum Oxide (Al₂O₃)Excellent dielectric propertiesInsulating thin films
Tellurium (Te)Strong thermoelectric and semiconductor behaviorIR detectors and thermoelectric materials

FAQ

QuestionAnswer
Can the Al₂Te₃ sputtering target be customized?Yes. Diameter, thickness, and bonding configurations can be customized to match different sputtering systems.
Which sputtering methods are compatible with this target?Aluminum Telluride targets can be used in RF magnetron sputtering and other PVD deposition methods suitable for compound semiconductors.
Are bonded targets available?Yes. Targets can be bonded to copper backing plates using indium or other bonding techniques to improve heat dissipation.
What purity levels are typically available?Standard purities range from 99.9% to 99.99% depending on application requirements.
What substrates can Al₂Te₃ films be deposited on?Thin films can be deposited on silicon wafers, glass, ceramics, and other semiconductor substrates.

Packaging

Our Aluminum Telluride Sputtering Target (Al₂Te₃) products are meticulously tagged and labeled externally to ensure efficient identification and maintain high standards of quality control. Each target is carefully packaged using vacuum-sealed bags, protective foam, and export-safe cartons or wooden crates. These measures prevent oxidation, contamination, and mechanical damage during storage and transportation, ensuring that the sputtering targets arrive in excellent condition.

Conclusion

The Aluminum Telluride Sputtering Target (Al₂Te₃) provides a reliable material solution for depositing high-quality semiconductor and telluride-based thin films. Its balanced combination of aluminum’s structural properties and tellurium’s semiconductor characteristics makes it valuable for optoelectronic research, thermoelectric materials development, and advanced thin film technologies.

With customizable dimensions, high-density manufacturing, and stable sputtering performance, Al₂Te₃ sputtering targets are well suited for both industrial production and research 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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