LiMgAs — Properties & Data | MatWorld

LiMgAs

Name: LiMgAs
Brand: MatWorld

semiconductor

· LiMgAs

LiMgAs is an intermetallic semiconductor compound combining lithium, magnesium, and arsenic—a material primarily of research interest rather than established industrial production. This compound belongs to the family of III-V semiconductors and related intermetallics that have drawn attention for potential optoelectronic and solid-state applications, though LiMgAs itself remains largely experimental with limited commercial deployment. Engineers considering this material would do so in advanced research contexts where its specific electronic structure or thermal properties might address niche requirements in next-generation devices, though material availability, reproducibility, and long-term stability data are typically constraints.

semiconductor researchoptoelectronic devicessolid-state physics experimentsIII-V compound exploratory studiesthin-film applicationsquantum materials research

Compliance & Regulations

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

Units:

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	46.61	GPa	DFT
↳	47.93	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1900	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	36.59	GPa	DFT
↳	37.76	GPa	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
Density(ρ)	2.989	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.7000	eV	Measured
↳	1.521	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)2 entries	12.66	-	DFT · OptB88vdW
↳	12.97	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)	8.275	-	DFT · OptB88vdW
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.2600	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.8600	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.1988	C/m²	DFT · OptB88vdW
↳	0.06762	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00182	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00350	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-146.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	312.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.8260	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

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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.

LiMgAs

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