GaAs2 — Properties & Data | MatWorld

GaAs2

ceramic

· JVASP-137171· GaAs2

GaAs₂ is a compound semiconductor ceramic composed of gallium and arsenic in a 1:2 stoichiometric ratio. While not commonly encountered in standard industrial production, this material belongs to the III-V semiconductor family and represents a research-phase compound with potential relevance to optoelectronic and high-frequency device development. Engineers would consider this material primarily in specialized photonic and RF applications where the semiconductor properties of gallium arsenide systems are leveraged, though the specific GaAs₂ phase requires evaluation against more established GaAs or other III-V alternatives for thermal stability, lattice compatibility, and device yield.

research optoelectronicssemiconductor device developmenthigh-frequency RF componentsphotonic integrated circuitsmaterials science experimentation

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	55.31	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	5.070	GPa	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	5.151	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)2 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
Magnetic Moment(μB)	µB	DFT · OptB88vdW

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.4459	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.2229	eV/atom	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data

Regulatory Screening

Environmental

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.

GaAs2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental