Tl2Au4S3

metal
· JVASP-13064· Tl2Au4S3

Tl2Au4S3 is an intermetallic compound combining thallium, gold, and sulfur, representing a specialized ternary metal sulfide system. This material exists primarily in research and exploratory contexts rather than established industrial production, with potential relevance to advanced electronics, photonics, or thermoelectric applications where gold-based ternary phases are investigated for their unique electronic and thermal transport properties. Engineers would consider this compound in scenarios requiring novel semiconductor behavior, high-density metallic systems, or specialized coupling between optical and electronic responses—though its practical adoption remains limited pending further characterization and cost-benefit evaluation against conventional alternatives.

research materials—thermoelectricsadvanced semiconductors—exploratoryhigh-density metallic phasesphotonics—novel band structurescorrosion-resistant coatings—experimentalelectronics—narrow-gap compounds

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Bulk Modulus(K)
4,475.9
ksi
Poisson's Ratio(ν)
0.3500
-
Shear Modulus(G)
1,535.9
ksi
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
0.3502
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
1.140
eV
Magnetic Moment(μB)
0.000
µB
Seebeck Coefficient(S)
-197.1
µV/K
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.000
eV/atom
Formation Energy(ΔHf)
-0.2711
eV/atom
Verified Unverified Low confidence (<80%) Link to source

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.
Tl2Au4S3 — Properties & Data | MatWorld