Lead Sulfide, PbS (Galena)
Categories: Ceramic; Sulfide/Chalcogenide; Other Engineering Material; Semiconductor
Key Words: Chalcogenide; Semiconductor
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Physical PropertiesMetricEnglishComments
Density 7.61 g/cc0.275 lb/in³
a Lattice Constant 5.9362 Å5.9362 Å
Formula Units/Cell (Z) 44
Molecular Weight 239.3 g/mol239.3 g/mol
 
Mechanical PropertiesMetricEnglishComments
Hardness, Mohs 2.52.5
 
Electrical PropertiesMetricEnglishComments
Magnetic Susceptibility -0.0000836-0.0000836cm^3/mol
Band Gap 0.37 eV0.37 eV
Electron Mobility, cm²/V-s 600600
Hole Mobility, cm²/V-s 600600
 
Thermal PropertiesMetricEnglishComments
Heat of Fusion 72.0 J/g31.0 BTU/lb
Thermal Conductivity 2.30 W/m-K16.0 BTU-in/hr-ft²-°F
Melting Point 1117 °C2043 °F
Heat of Formation 435 kJ/mol435 kJ/mol
 
Optical PropertiesMetricEnglishComments
Refractive Index 3.913.91
 
Descriptive Properties
CAS Number1314-87-0
ColorBlack or silvery
Crystal StructureCubicHalite Structure - Space Group Fm3m

References for this datasheet.

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