TaTlCu2S4 — Properties & Data | MatWorld

TaTlCu2S4

metal

· JVASP-10574· TaTlCu2S4

TaTlCu₂S₄ is a ternary chalcogenide compound containing tantalum, thallium, copper, and sulfur. This is primarily a research material studied in solid-state chemistry and materials science for its potential electronic and thermoelectric properties, rather than an established commercial material. Compounds in this family are of interest for semiconductor applications, photovoltaic devices, and thermoelectric energy conversion due to their tunable band structures and mixed-metal coordination chemistry.

experimental semiconductorsthermoelectric researchchalcogenide photovoltaicssolid-state device developmentmaterials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	5.694	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.719	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00130	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00135	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-334.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	328.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	0.00270	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.6970	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

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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.

TaTlCu2S4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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