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COMSOL CD

Bismuth Selenide, Bi2Se3

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Subcategory: Ceramic; Semiconductor; Sulfide/Chalcogenide

Key Words: Chalcogenide; Semiconductor; Selenium

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Physical PropertiesMetricEnglishComments
Density7.51 g/cc0.271 lb/in³ 
a Lattice Constant4.14 Å4.14 Å 
c Lattice Constant28.7 Å28.7 Å 
Molecular Weight654.84 g/mol654.84 g/mol 

Mechanical Properties
Knoop Microhardness167167 N/mm²

Electrical Properties
Band Gap0.35 eV0.35 eV 
Electron Mobility, cm²/V-s600600 

Thermal Properties
Thermal Conductivity2.4 W/m-K16.7 BTU-in/hr-ft²-°F 
Melting Point706 °C1300 °F 

Descriptive Properties
CAS Number12068-69-8 
ColorBlack 
Crystal StructureHexagonal-Rhombohedral Tetradymite Structure - R(-3)M
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