Na3AuS2

metal

· JVASP-11392· Na3AuS2

Na3AuS2 is an intermetallic compound combining sodium, gold, and sulfur, belonging to the class of ternary metal sulfides with potential applications in solid-state chemistry and materials research. This material remains largely experimental and is studied primarily in academic and laboratory settings for its structural and electronic properties rather than established industrial production. The compound represents the broader family of complex metal sulfides, which are investigated for applications in catalysis, energy storage, and semiconductor research, though Na3AuS2 specifically lacks widespread commercial deployment.

research compoundssolid-state chemistrycatalytic materials developmentenergy storage researchsemiconductor researchlaboratory synthesis

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	4,687.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2900	-	DFT · OptB88vdW
Shear Modulus(G)	2,295.9	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1419	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	2.436	eV	DFT · OptB88vdW
↳	3.848	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.937	-	DFT · OptB88vdW
↳	3.635	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.243	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.993	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00188	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00190	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-173.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	363.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.1700	%	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)	-1.007	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

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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.

Na3AuS2 — Properties & Data | MatWorld

Na3AuS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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