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ST0315 Tungsten Selenide Sputtering Target, WSe2

Chemical Formula: WSe2
Catalog Number: ST0315
CAS Number: 12067-46-8
Purity: 99.9%, 99.95%, 99.99%, 99.995%, 99.999%
Shape: Discs, Plates, Column Targets, Step Targets, Custom-made

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

MSDS File

Tungsten Selenide Sputtering Target Description

A Tungsten Selenide Sputtering Target is a type of ceramic material composed of tungsten and selenium, used in sputtering processes. This target is typically employed in thin film deposition and various specialized applications due to the unique properties of the tungsten-selenium combination.

TungstenTungsten, also known as wolfram or wolframium, is a chemical element with the symbol “W” and an atomic number of 74. The name “tungsten” comes from the Swedish words ‘tung sten,’ meaning heavy stone, while “W” is derived from “wolfram,” the old name for the tungsten mineral wolframite. It was first mentioned in 1781 and observed by Carl Wilhelm Scheele, with the isolation later accomplished and announced by the Elhuyar brothers, Juan José and Fausto. Tungsten is located in Period 6 and Group 6 of the periodic table, belonging to the d-block elements. Its relative atomic mass is approximately 183.84 Daltons, with the number in parentheses indicating a margin of uncertainty.

Related Product: Tungsten (W) Sputtering Target

SeleniumSelenium is a chemical element with the symbol “Se” and an atomic number of 34. The name “selenium” is derived from the Greek word ‘selene,’ meaning moon. It was first mentioned in 1817 and observed by Jöns Jacob Berzelius and Johan Gottlieb Gahn, who also accomplished and announced its isolation. Selenium is located in Period 4 and Group 16 of the periodic table, classified within the p-block elements. Its relative atomic mass is approximately 78.96 Daltons, with the number in parentheses indicating a margin of uncertainty.

Related Product: Selenium (Se) Sputtering Target

Tungsten Selenide Sputtering Target Application

The Tungsten Selenide Sputtering Target is utilized in a wide range of applications, including thin film deposition and decorative coatings. It is commonly employed in the semiconductor industry, display technologies, and the production of LEDs and photovoltaic devices. Additionally, this material is significant for functional coatings, the optical information storage industry, glass coatings for automotive and architectural glass, and optical communication technologies.

Tungsten Selenide Sputtering Target Packing

Our Tungsten Selenide Sputtering Targets are meticulously tagged and labeled externally to ensure efficient identification and maintain stringent quality control standards. We take extensive precautions to prevent any potential damage during storage and transportation, ensuring the targets arrive in perfect condition.

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TFM offers Tungsten Selenide Sputtering Targets in various forms, purities, sizes, and prices. We specialize in high-purity thin film deposition materials with optimal density and minimal grain sizes, which are ideal for semiconductor, CVD, and PVD applications in display and optics. Contact Us for current pricing on sputtering targets and other deposition materials that are not listed.

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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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