Tl2Au4S3 — Properties & Data | MatWorld

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	30.86	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3500	-	DFT · OptB88vdW
Shear Modulus(G)	10.59	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	9.694	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)2 entries	1.140	eV	DFT · OptB88vdW
↳	1.578	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	11.80	-	DFT · OptB88vdW
↳	8.812	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.6333	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.5033	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00180	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00120	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-197.1	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	201.6	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.17	%	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)	-0.2711	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

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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.

Tl2Au4S3

Mechanical Properties

Physical Properties

Electrical Properties

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