Silicon Powder for Research and Production

university wafer substrates

Silicon Powder Purity 98%

A PhD candidate requested a quote for the following.

Question:
We need the Silicon Powder with particles size from 8-12 Microns with purity of Silicon 98%.

Initially we need the 2 Kg samples to test & certified at our end.

Answer:

We have item #A1074
Hyper Pure Silicon, Poly Chungs, 20-65mm Donors (P, As, Sb) Max. 300 ppta
Acceptors (B, Al) Max. 100 ppta

Reference #141194 for specs and pricing.

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What is Silicon Powder?

Silicon powder is a fine, granular form of silicon created by crushing or grinding silicon into small particles. It is often produced from high-purity silicon crystals, making it suitable for use in various technical and industrial applications. Here are some common uses and properties of silicon powder:

Properties

  1. High Purity: Silicon powder can be refined to high purity levels, essential for applications in semiconductors and electronics.
  2. Thermal Conductivity: It has good thermal conductivity, making it useful in materials that require heat dissipation.
  3. Chemical Stability: Silicon is chemically stable, especially in inert atmospheres, so the powder doesn’t easily react with other substances.
  4. Particle Size: Silicon powder is available in a range of particle sizes, which can affect its flowability, surface area, and reactivity.

Applications

  1. Electronics and Semiconductors: Silicon powder can be used in silicon-based devices and in developing coatings and fillers for electronic components.
  2. Metallurgy: It is often used as an alloying agent in aluminum-silicon alloys for increased strength, corrosion resistance, and improved machinability.
  3. Energy Storage: High-purity silicon powder is used in anodes for lithium-ion batteries, which improves their energy density.
  4. Ceramics and Refractory Materials: Silicon powder is added to ceramics to enhance their durability, strength, and resistance to high temperatures.
  5. Optics and Photonics: Silicon powder can be used in producing optical coatings, lenses, and photonic materials.

In general, silicon powder is valued for its versatility and unique properties, making it an important material in modern technology and manufacturing.