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Specialty Compounds RTP Company

Aluminum Antimonide, AlSb
Categories: Ceramic; Phosphide/Pnictide; Other Engineering Material; Semiconductor

Key Words: Pnictide; Semiconductor; Aluminium Antimonide; Antimony
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Physical PropertiesMetricEnglishComments
Density 4.218 g/cc0.1524 lb/in³
a Lattice Constant 6.1355 Å6.1355 Å
Molecular Weight 148.742 g/mol148.742 g/mol
Volume Compressibility, 10^-10 m²/N 0.5710.571
 
Mechanical PropertiesMetricEnglishComments
Knoop Microhardness 40004000N/mm²
 
Electrical PropertiesMetricEnglishComments
Dielectric Constant 1111
Band Gap 1.6 eV1.6 eV
Electron Mobility, cm²/V-s 200 - 400200 - 400
Hole Mobility, cm²/V-s 550550
 
Thermal PropertiesMetricEnglishComments
CTE, linear 4.20 µm/m-°C
@Temperature 20.0 °C
2.33 µin/in-°F
@Temperature 68.0 °F
Thermal Conductivity 60.0 W/m-K416 BTU-in/hr-ft²-°F
Melting Point 1057 °C1935 °F
Heat of Formation 585 kJ/mol585 kJ/mol
Debye Temperature 19.0 °C66.2 °F
 
Optical PropertiesMetricEnglishComments
Refractive Index 3.203.20
 3.203.20
 
Descriptive Properties
CAS Number25152-52-7
Crystal StructureCubicSphalerite Structure - Space Group F(-4)3m

References for this datasheet.

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