Indium Antimonide (InSb)-Pieces

Characteristic

 

Indium antimonide (InSb) is a crystalline compound made from the elements indium (In) and antimony (Sb).




Chemical formula：InSb

Molar mass：236.578 g·mol−1

Appearance：Dark grey, metallic crystals

Density：5.775 g⋅cm−3

Melting point：527 °C (981 °F; 800 K)

Band gap：0.17 eV

Electron mobility：7.7 mC⋅s⋅g−1 (at 27 °C)

Thermal conductivity：180 mW⋅K−1⋅cm−1 (at 27 °C)

Refractive index (nD)：4.0

Crystal structure：Zincblende

 


Application

 

Indium antimonide finds use in infrared detectors, including FLIR systems, thermal imaging cameras, infrared astronomy and in infrared homing missile guidance systems, in fast transistors. It is used in thermal image detectors using photo-electromagnetic detectors or photodiodes.