TlCu4S3

metal
· TlCu4S3

TlCu4S3 is a mixed-metal sulfide compound containing thallium and copper, belonging to the class of chalcogenide semiconductors and intermetallic sulfides. This material is primarily of research and exploratory interest rather than established industrial production, with potential applications in thermoelectric energy conversion and solid-state electronics where its combined metallic and semiconducting character could offer unique functionality. Engineers considering this material should recognize it as a candidate for emerging technologies in thermal-to-electric conversion or specialized electronic devices, though practical engineering adoption remains limited compared to more mature alternatives like conventional thermoelectrics (bismuth tellurides, skutterudites) or standard copper-based conductors.

thermoelectric materials (research)semiconductor compoundssolid-state electronicsenergy conversion deviceschalcogenide research

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Bulk Modulus(K)2 entries
46.01
GPa—
↳
52.90
GPa—
Poisson's Ratio(ν)
0.3700
-—
Shear Modulus(G)2 entries
15.58
GPa—
↳
16.46
GPa—
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Density(ρ)
6.438
kg/m³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
0.000
µB—
Seebeck Coefficient(S)
54.12
µV/K—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.00100
eV/atom—
Formation Energy(ΔHf)
-0.2604
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.