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Gallium antimonide information


Gallium antimonide
Names
IUPAC name
Gallium(III) antimonide
Other names
Gallium antimonide
Identifiers
CAS Number
  • 12064-03-8 checkY
3D model (JSmol)
  • Interactive image
  • Interactive image
ChemSpider
  • 3436915 checkY
ECHA InfoCard 100.031.859 Edit this at Wikidata
PubChem CID
  • 4227894
CompTox Dashboard (EPA)
  • DTXSID70884536 Edit this at Wikidata
InChI
  • InChI=1S/Ga.Sb checkY
    Key: VTGARNNDLOTBET-UHFFFAOYSA-N checkY
  • InChI=1/Ga.Sb/rGaSb/c1-2
    Key: VTGARNNDLOTBET-KXXLTECTAC
SMILES
  • [Ga]#[Sb]
  • [Ga+3].[Sb-3]
Properties
Chemical formula
GaSb
Molar mass 191.483 g/mol
Density 5.614 g/cm3
Melting point 712 °C (1,314 °F; 985 K)
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 (fire diamond)
NFPA 704 four-colored diamondHealth 1: Exposure would cause irritation but only minor residual injury. E.g. turpentineFlammability 0: Will not burn. E.g. waterInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
1
0
0
Flash point Non-flammable
Related compounds
Other anions
Gallium nitride
Gallium phosphide
Gallium arsenide
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
checkY verify (what is checkY☒N ?)
Infobox references

Gallium antimonide (GaSb) is a semiconducting compound of gallium and antimony of the III-V family. It has a room temperature lattice constant of about 0.610 nm.[1] It has a room temperature direct bandgap of approximately 0.73 eV.[1][2][3]

  1. ^ a b Vurgaftman, I., Meyer, J. R., Ram-Mohan, L. R. (2001). "Band parameters for III–V compound semiconductors and their alloys". Journal of Applied Physics. 89 (11): 5815–5875. Bibcode:2001JAP....89.5815V. doi:10.1063/1.1368156.
  2. ^ Dutta, P. S., Bhat, H. L., Kumar, V. (1997). "The physics and technology of gallium antimonide: An emerging optoelectronic material". Journal of Applied Physics. 81 (9): 5821–5870. Bibcode:1997JAP....81.5821D. doi:10.1063/1.365356.
  3. ^ Madelung, O., Rössler, U., Schulz, M., eds. (2002). "Gallium antimonide (GaSb), direct energy gap". Group IV Elements, IV-IV and III-V Compounds. Part b - Electronic, Transport, Optical and Other Properties. Landolt-Börnstein - Group III Condensed Matter. Vol. b. Springer-Verlag. pp. 1–5. doi:10.1007/10832182_229. ISBN 978-3-540-42876-3.

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