BaAg2S2

Name: BaAg2S2
Brand: MatWorld

metal

· JVASP-2835· BaAg2S2

BaAg₂S₂ is a ternary intermetallic compound combining barium, silver, and sulfur, belonging to the family of mixed-metal chalcogenides. This material is primarily of research and theoretical interest rather than established industrial production, with potential applications in thermoelectric devices, photovoltaic systems, and ionic conductors where the combination of metallic silver and ionic barium-sulfur bonding may provide unique transport properties. Engineers and materials scientists investigate compounds in this family for next-generation energy conversion and solid-state electronics, though widespread commercial adoption remains limited and material processing routes are still under development.

thermoelectric materials (research)solid-state ionic conductorsphotovoltaic absorbershigh-temperature energy conversionexperimental semiconductor devices

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	8,101.8	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3800	-	DFT · OptB88vdW
Shear Modulus(G)	2,557	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2065	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.9240	eV	DFT · OptB88vdW
↳	2.365	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	17.94	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.033	-	DFT · OptB88vdW
↳	5.906	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.1967	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.133	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	0.000376	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00205	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-65.10	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	296.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	15.28	%	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.

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)	-0.9574	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

Export Control

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.

BaAg2S2 — Properties & Data | MatWorld

BaAg2S2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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