Gallium antimonide

Gallium antimonide
IUPAC name Gallium(III) antimonide
Other names Gallium antimonide
Identifiers
CAS number	12064-03-8 Y
PubChem	4227894
ChemSpider	3436915 Y
Jmol-3D images	Image 1
SMILES [Ga]#[Sb]
InChI InChI=1S/Ga.Sb Y Key: VTGARNNDLOTBET-UHFFFAOYSA-N Y InChI=1/Ga.Sb/rGaSb/c1-2 Key: VTGARNNDLOTBET-KXXLTECTAC
Properties
Molecular formula	GaSb
Molar mass	191.483 g/mol
Density	5.614 g/cm3
Melting point	712 °C
Solubility in water	insoluble
Band gap	0.726 eV (300 K)
Electron mobility	3000 cm2/(V*s) (300 K)
Thermal conductivity	0.32 W/(cm*K) (300 K)
Refractive index (nD)	3.8
Structure
Crystal structure	Sphalerite, cF8
Space group	F-43m, No. 216
Hazards
NFPA 704	0 1 0
Flash point	non-flammable
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Gallium antimonide (GaSb) is a semiconducting compound of gallium and antimony of the III-V family. It has a lattice constant of about 0.61 nm.

Applications

GaSb can be used for Infrared detectors, infrared LEDs and lasers and transistors, and thermophotovoltaic systems.

See also

• Aluminium antimonide
• Indium antimonide
• Gallium arsenide

External links

• properties listed at NSM, Ioffe Institute.
• National Compound Semiconductor Roadmap at the Office of Naval Research