MgSnAs2 — Properties & Data | MatWorld

MgSnAs2

ceramic

· MgSnAs2

MgSnAs₂ is a ternary intermetallic ceramic compound combining magnesium, tin, and arsenic elements. This material belongs to the family of III-V and mixed-valence semiconducting compounds, primarily of research interest rather than established commercial production. The compound is studied for potential optoelectronic and photovoltaic applications where its band structure and carrier transport properties may offer advantages in specialized device architectures, though practical deployment remains limited to experimental and developmental contexts.

experimental semiconductorsoptoelectronic devicesphotovoltaic researchhigh-energy physics detectorsthin-film electronicsmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.298	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.4120	eV	DFT · OptB88vdW
↳	1.434	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	23.67	-	DFT · OptB88vdW
↳	17.04 range 15.80–18.27median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	15.75	-	DFT · OptB88vdW
↳	8.728	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.08333	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.7400	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.5890	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000509	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00239	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-62.93	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	266.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.24	%	DFT · TBmBJ

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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3424	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.

MgSnAs2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental