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GALLIUM PHOSPHIDE

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GALLIUM PHOSPHIDE Basic information
GALLIUM PHOSPHIDE Chemical Properties
  • Melting point:1480 °C
  • Density 4.13 g/mL at 25 °C
  • refractive index 2.9
  • Flash point:230 °F
  • form Solid
  • color Pale orange
  • Specific Gravity4.1
  • Resistivity~0.3 Ω-cm
  • Water Solubility Insoluble in water.
  • Crystal StructureCubic, Sphalerite Structure - Space Group F(-4)3m
  • Merck 14,4353
  • CAS DataBase Reference12063-98-8(CAS DataBase Reference)
  • EPA Substance Registry SystemGallium phosphide (GaP) (12063-98-8)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 36/37
  • Safety Statements 26
  • RIDADR 3288
  • WGK Germany 2
  • RTECS LW9675000
  • 10-21
  • TSCA Yes
MSDS
GALLIUM PHOSPHIDE Usage And Synthesis
  • Chemical PropertiesPale-orange, transparent crystals or whiskers up to 2 cmlong, made by vapor phase reaction at relatively low temperatures between phosphorus and gallium suboxide. These crystals are intermediate between normal semiconductors and insulators or phosphors. They operate over a temperature range of ?55 to 500C. Gallium phosphide is electroluminescent in visible light.
  • Physical propertiesPale orange to yellow transparent cubic crystals or long whiskers; lattice constant 5.450?; density 4.138 g/cm3; melts at 1,477°C; dielectric constant 8.4; electroluminescent in visible light.
  • UsesGalllium phosphide (GaP) is a light-colored highly pure crystal form used as “whiskers” and crystals in semiconductor devices.
  • UsesIn semiconductor electronics.
  • PreparationThe compound is prepared by vapor phase reaction of gallium suboxide, Ga2O and phosphorus. It is produced in polycrystalline form or as single crystals or whiskers in high purity grade for use in semiconducting devices.
GALLIUM PHOSPHIDE Preparation Products And Raw materials
GALLIUM PHOSPHIDE(12063-98-8)Related Product Information
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