GaAs

URI: https://gptkb.org/entity/GaAs

GPTKB entity

Predicate	Object
gptkbp:instanceOf	gptkb:musical_composition gptkb:microprocessor
gptkbp:appearance	gray, brittle solid
gptkbp:bandGap	direct 1.42 eV
gptkbp:CASNumber	1303-00-0
gptkbp:category	gptkb:III-V_semiconductor
gptkbp:chemicalFormula	gptkb:GaAs
gptkbp:containsElement	gptkb:gallium gptkb:poisoning
gptkbp:crystalSystem	gptkb:zinc_blende
gptkbp:density	5.32 g/cm³
gptkbp:discoveredIn	1920s
gptkbp:electricalResistivity	10⁷ Ω·cm (intrinsic)
gptkbp:IUPACName	gptkb:gallium_arsenide
gptkbp:latticeConstant	5.653 Å
gptkbp:meltingPoint	1238 °C
gptkbp:molecularWeight	144.64 g/mol
gptkbp:refractiveIndex	3.3 (at 1.5 μm)
gptkbp:solubility	insoluble
gptkbp:symbol	gptkb:GaAs
gptkbp:thermalConductivity	55 W/(m·K)
gptkbp:toxicity	toxic
gptkbp:usedIn	LEDs laser diodes solar cells high-speed electronics infrared light-emitting diodes microwave frequency integrated circuits monolithic microwave integrated circuits
gptkbp:bfsParent	gptkb:ATF2592_series gptkb:ATF34C_series gptkb:ATF37C_series gptkb:ATF54C_series gptkb:ATF61C_series gptkb:ATF67C_series gptkb:ATF81C_series gptkb:ATF82C_series gptkb:ATF97C_series gptkb:Gallium_Arsenide_(GaAs)
gptkbp:bfsLayer	6
https://www.w3.org/2000/01/rdf-schema#label	GaAs