Silicon

Si

Silicon

Data Sheet

Physical Properties

  • Melting point: 1083°C
  • Density: 8.92 g/cm³
  • Thermal Conductivity: 400 W/m·K
  • Electrical Resistivity: 1.68 µΩ·cm at 20°C

Chemical Properties

  • Atomic Number: 29
  • Atomic Weight: 63.55 u
  • Crystal Structure: Face-Centered Cubic (FCC)

Applications

  • Electronics: Used in semiconductor devices, interconnects, and bonding wires due to its excellent conductivity and thermal properties.
  • Optics: Applied in reflective coatings and optical devices.
  • Photovoltaics: Utilized in thin-film solar cells to improve efficiency and reduce manufacturing costs.
  • Thermal Management: Applied in electronic devices to dissipate heat efficiently.
  • Microelectronics: Employed in the fabrication of integrated circuits and transistors.
  • Protective Coatings: Provides corrosion resistance and wear protection.
  • Aerospace: Reflective Coatings

Forms

Sputtering Targets
(any dimension)
Diameter, Rectangular, Delta & Rotatable configurations

Silicon sputtering target for 200mm PVD system

Evaporation Material
(any dimension)
Pellets or Starter Sources

Silicon granules

Purity Guide

Purity  LevelMetallic Impurities Allowed (PPM)
(2N) 99%99%10,000
(2N5)99.5%5,000
(3N)99.9%1,000
(3N5)99.95%500
(4N)99.99%100
(4N5)99.995%50
(5N)99.999%10
(5N5)99.9995%  5
(6N)99.9999%  1

Example of an Actual Certificate of Analysis

Element PPM LevelElement PPM Level
Ag<0.005Al<0.01
As<0.002Au<0.005
BDopantBa<0.001
Be<0.001Br<0.005
Ca<0.01Cd<0.0005
Ce<0.0005Cl<0.005
Co<0.005Cr<0.001
Cs<0.0005Cu<0.005
Dy<0.001Eu<0.001
F<0.005Fe<0.01
Ga<0.001Gd<0.001
Ge<0.01Hf<0.001
Hf<0.001Hg<0.0001
Ho<0.001I<0.001
In<0.005Ir<0.01
K<0.01La<0.001
Li<0.0005Lu<0.001
Mg<0.0005Mn<0.0005
Mo<0.001Na<0.001
Nb<0.001Nd<0.001
Ni<0.005Os<0.001
Pb<0.0001Pd<0.005
Pr<0.001Pt<0.005
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