AgAsS2 — Properties & Data | MatWorld

AgAsS2

Name: AgAsS2
Brand: MatWorld

semiconductor

· AgAsS2

AgAsS₂ is a ternary semiconductor compound combining silver, arsenic, and sulfur, belonging to the family of chalcogenide semiconductors with potential optoelectronic and photonic properties. This material is primarily of research and developmental interest rather than established in high-volume production, studied for applications requiring direct or indirect bandgap characteristics in the infrared to visible spectrum. Its layered crystal structure and composition make it a candidate for advanced semiconductor devices where silver-based or arsenic-containing compounds offer advantages over conventional Group IV semiconductors.

infrared detectors and sensorsnonlinear optical devicesthin-film photovoltaics (research)laser and light-emitting applications (experimental)chalcogenide research compoundsspecialized semiconductor research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	59.33	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	20.98	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	4.699	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)3 entries	2.140	eV	Measured
↳	1.245	eV	DFT · OptB88vdW
↳	1.988	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	10.50	-	DFT · OptB88vdW
↳	7.139	-	DFT · TBmBJ
Electron Effective Mass(m*e)	2.057	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.667	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00107	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00160	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-286.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	376.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	23.23	%	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)	-0.1584	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.

AgAsS2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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