CoSi2 Cobalt Disilicide Powder CAS 12017-12-8

Cobalt Disilicide (CoSi₂) is a high-performance intermetallic compound renowned for its metallic conductivity, thermal stability (melting point ~1326°C), and exceptional compatibility with silicon substrates. This gray crystalline material is a cornerstone in semiconductor manufacturing, thermoelectrics, and high-temperature electronics, offering reliable performance in demanding environments.

Low Contact Resistance: Forms excellent interfaces with silicon (ρc ~10⁻⁷ Ω·cm²)
Thermal Stability: No phase changes up to 1000°C (critical for backend processing)
Selective Etching: Easy patterning in semiconductor fabrication
CMOS Compatibility: Minimal junction spiking risk compared to other silicides

product details

Properties

- - Chemical Formula: CoSi2
    
    Composition: Si:48.8%, Co:51.2%
    
    Molecular Weight: 115.11 g/mol
    
    Density: 5.3 g/cm³
    
    Crystal Structure: Cubic (CaF₂-type, space group F3m)
    
    Melting Point: 1326°C
    
    Electrical Resistivity: ~10–18 μΩ·cm (metallic conductor)
    
    Thermal Conductivity: ~25 W/m·K
    
    Purity: 99.9% (semiconductor grade), 99.99% (ultra-high purity)

Products Usage

1. Semiconductor Devices:

Ohmic contacts and interconnects in CMOS integrated circuits.

Schottky barriers for high-speed logic chips.

2. Thermoelectric Materials:

High-temperature thermoelectric generators (ZT ~0.2 at 800°C).

3. MEMS/NEMS:

Heater elements and sensors in microelectromechanical systems.

4. Industrial Coatings:

Wear-resistant layers for chemical processing equipment.

Packing:

Our normal packaging is 25kgs/Drum

The packaging can be customized. the shipping term can be by sea, by air, and sample or small quantity can be shipped by DHL, FEDEX, EMS and TNT.

Remark: Chemical composition and size can be optimized by the customers' requirements 固体通用s27

Conditions for safe storage, including any incompatibilities

Separated from ammonia, strong hydrogen peroxide solutions and strong acids.

Safety Protection

Precautions for safe handling

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.