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Material


Silicon
        silicon is the most common metalloid. It is a chemical element, which has the symbol Si and atomic number 14. A tetravalent metalloid, it is less reactive than its chemical analog carbon.

Detail

Crystal Type

Cubic,NaCl type structure

Transmission Range

1.2-15μm; 17>500μm

Refractive Index

3.41776@ 10μm

Reflective Loss

46.1% @ 10μm

Density

2.3291g/cm

Melting Point

1414

Molecular Weight

28.09

Thermal Conductivity

163.32 W/(m K)@40

Specifics Heat

703.4J/(kg K)

Thermal Expansion

3.910/@ 200-300 K<111>

Hardness (mohs)

1150(Mohs 7)

Young’s Modulus

131GPa

Shear Modulus

79.9GPa

Bulk Modulus

102GPa

Rupture Modulus

125MPa

Elastic Coefficient

C=167

C=65

C=80GPa

Dielectric Constant

13@f=9.37GHz

Solubility Water

insoluble

Crystal Structure

Single crystal, synthetic

Cleavage Planes

(111)

Standard Diameter

3", max. ø 300 mm 

Application

windows,lenses,band pass filter, thermography, ATR crystals, FIR optics, mirrors

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