MgAs2 — Properties & Data | MatWorld

MgAs2

ceramic

· JVASP-136970· MgAs2

Magnesium arsenide (MgAs₂) is a III-V semiconductor ceramic compound combining a group II metal (magnesium) with a group V metalloid (arsenic). This material is primarily of research and specialized applications interest rather than a high-volume industrial commodity. MgAs₂ and related magnesium pnictide semiconductors are investigated for optoelectronic and photovoltaic devices, particularly in wide-bandgap semiconductor research, though practical deployment remains limited compared to more mature alternatives like GaAs or InP. Engineers considering this material should recognize it as an emerging compound with potential in niche high-energy physics detector applications and next-generation solar cell research, where its semiconducting properties and chemical stability may offer advantages in extreme or specialized operating conditions.

wide-bandgap semiconductorsphotovoltaic researchradiation detectionoptoelectronic deviceshigh-temperature electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	53.58	GPa	DFT · OptB88vdW
Shear Modulus(G)	14.89	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.993	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)	0.3865	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.01410	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.

MgAs2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental