TlFe2S2 — Properties & Data | MatWorld

TlFe2S2

metal

· JVASP-4777· TlFe2S2

TlFe2S2 is an intermetallic compound combining thallium, iron, and sulfur, belonging to the family of ternary chalcogenides with metallic character. This material is primarily of research interest rather than established industrial production, studied for its electronic and structural properties in the context of advanced functional materials and solid-state chemistry. Potential applications lie in thermoelectric devices, magnetic materials research, and semiconductor physics, where the combination of heavy metal (Tl), transition metal (Fe), and chalcogen (S) elements can produce unusual electronic band structures and transport properties.

thermoelectric researchcondensed matter physicsmagnetic materials studysemiconductor compoundsmaterials characterizationsolid-state electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	58.03	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	23.68	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.732	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	5.501	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000315	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000322	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	16.77	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	16.88	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)	0.1164	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3508	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.

TlFe2S2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

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