Li3As

ceramic

· Li3As

Li₃As is an inorganic ceramic compound composed of lithium and arsenic, belonging to the family of lithium chalcogenides and pnictides. It is primarily of research and development interest rather than a mainstream industrial material, being investigated for potential applications in solid-state electrochemistry and advanced functional ceramics where lithium compounds are leveraged for ionic or electronic properties.

solid-state battery researchlithium-ion conductor materialsadvanced ceramics developmentelectrochemical devicesexperimental semiconductorsmaterials science research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	5,260.5	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1600	-	DFT · OptB88vdW
Shear Modulus(G)	4,760.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.09082	lb/in³	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	0.7640	eV	DFT · OptB88vdW
↳	1.108	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)3 entries	12.06	-	DFT · OptB88vdW
↳	12.09	-	DFT · PBE
↳	9.895 range 7.623–12.17median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.851	-	DFT · OptB88vdW
↳	7.222	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	0.3500	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.317	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.000	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00142	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00198	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-135.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	253.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	33.52	%	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)	-0.7801	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.

Li3As — Properties & Data | MatWorld

Li3As

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental