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CAS 12039-88-2

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Tungsten silicide, (WSi2)

Description:
Tungsten silicide (WSi2) is a refractory compound known for its high melting point and excellent thermal stability, making it suitable for high-temperature applications. It typically appears as a gray or black powder and is characterized by its metallic luster. WSi2 exhibits good electrical conductivity, which is beneficial in electronic applications, particularly in semiconductor technology. The compound has a tetragonal crystal structure and is often used as a diffusion barrier in integrated circuits due to its ability to prevent the interdiffusion of tungsten and silicon. Additionally, tungsten silicide demonstrates notable hardness and wear resistance, making it useful in various industrial applications, including coatings and as a component in composite materials. Its chemical stability allows it to withstand harsh environments, although it can react with strong oxidizers at elevated temperatures. Overall, WSi2 is valued in both materials science and electronics for its unique combination of properties.
Formula:Si2W
InChI:InChI=1/2Si.W/rSi2W/c1-3-2
InChI key:InChIKey=WQJQOUPTWCFRMM-UHFFFAOYSA-N
SMILES:[W](#[Si])#[Si]
Synonyms:
  • Disiliciure de tungstene
  • Disiliciuro De Volframio
  • Tungsten Disilicide
  • Tungsten disilicide (WSi2)
  • Tungsten disilicide (WSi<sub>2</sub>)
  • Tungsten silicide
  • Tungsten silicide (WSi<sub>2</sub>)
  • Wolframdisilicid
  • Tungsten silicide (WSi2)
  • TUNGSTEN SILICIDE (99.7%-W)
  • See more synonyms
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Found 3 products.
  • Tungsten silicide, 99.5% (metals basis)
    Alfa Aesar By Thermo Fisher Scientific
    + Info

    Tungsten silicide, 99.5% (metals basis)

    CAS:
    Tungsten silicide is used in microelectronics as a contact material. It is also used as a shunt over polysilicon lines to increase their conductivity and increase signal speed. Further, it acts as a barrier layer between silicon and other metals. In addition to this, it is used in microelectro mecha
    Formula:Si2W
    Purity:99.5%
    Molecular weight:240.01

    Ref: 02-011551

    50g
    175.00€
  • CymitQuimica logo
    Apollo Scientific
    + Info

    Tungsten Silicide

    CAS:
    Tungsten Silicide
    Purity:99.5%, -325mesh
    Molecular weight:240.02g/mol

    Ref: 54-IN12163

    5g
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    25g
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    100g
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    500g
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    2.5kg
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  • Tungsten silicide, 99%
    Glentham
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    Tungsten silicide, 99%

    CAS:
    Formula:WSi2
    Purity:≥ 99.0%
    Color and Shape:Grey to dark grey powder
    Molecular weight:240.02

    Ref: 7W-GX9862

    50g
    273.00€