Ag3AuS2 — Properties & Data | MatWorld

Ag3AuS2

Name: Ag3AuS2
Brand: MatWorld

metal

· Ag3AuS2

Ag3AuS2 is a ternary intermetallic sulfide compound combining silver, gold, and sulfur, representing a specialized material from the precious metal sulfide family. This compound is primarily of research and experimental interest rather than established industrial production, with potential applications in thermoelectric devices, solid-state electronics, and photovoltaic systems where the combination of noble metals and sulfide chemistry offers tunable electronic and phononic properties. Engineers considering this material should recognize it as a developmental compound requiring further characterization; it is not a drop-in replacement for conventional precious metal alloys but rather a candidate material for niche applications requiring the specific properties afforded by its ternary structure.

experimental thermoelectricsresearch semiconductorsphotovoltaic materialssolid-state electronicsnoble metal compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	51.61	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4400	-	DFT · OptB88vdW
Shear Modulus(G)	1.730	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.298	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	1.208	eV	DFT · OptB88vdW
↳	1.922	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	7.375	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.874	-	DFT · OptB88vdW
↳	6.149	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.9267	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.8833	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.000	C/m²	DFT · OptB88vdW
↳	0.3527	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00134	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00192	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-178.3	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	251.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	24.72	%	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)	0.02960	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.03916	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.

Ag3AuS2

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