Au3S — Properties & Data | MatWorld

Au3S

Name: Au3S
Brand: MatWorld

metal

· Au3S

Au3S is an intermetallic compound combining gold and sulfur, representing a specialized material from the gold-chalcogen family with potential applications in electronics and materials research. While not a mainstream engineering material in high-volume production, Au3S and related gold sulfides are investigated for semiconductor properties, catalytic applications, and as precursors for nanostructured materials. Engineers would consider this compound primarily in research contexts, thin-film electronics, or specialized chemical applications where gold's nobility combined with sulfur's electronic properties offers advantages over conventional alternatives.

experimental semiconductorscatalyst materialsthin-film electronicsnanostructured materials researchspecialized chemical synthesis

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	58.62	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	21.19	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	14.37	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Unit	Conditions
Band Gap(Eg)3 entries	eV	DFT · OptB88vdW
↳	eV	DFT · TBmBJ
↳	eV	Measured
Magnetic Moment(μB)	µB	DFT · OptB88vdW

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)	0.3401	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.3041	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.

Au3S

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control