Tl2SnHgTe4

ceramic

· JVASP-56397· Tl2SnHgTe4

Tl2SnHgTe4 is a quaternary chalcogenide ceramic compound containing thallium, tin, mercury, and tellurium—a family of materials actively researched for their semiconducting and thermoelectric properties. This compound and related telluride systems are primarily investigated in advanced materials research for potential applications in thermoelectric energy conversion and infrared optics, though commercial adoption remains limited. Engineers consider these materials for their potential to convert waste heat to electricity or for specialized photonic applications where their band gap and crystal structure offer advantages over conventional semiconductors.

Thermoelectric energy conversion (research)Infrared detectors and opticsSemiconductor researchWaste heat recovery (experimental)Advanced ceramics development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2780	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.06700	eV	DFT · OptB88vdW
↳	0.4920	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	44.05	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	12.61	-	DFT · TBmBJ
↳	18.70	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.2121	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00158	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000301	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-101.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	75.06	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	14.84	%	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)	0.01830	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1940	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

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.

Tl2SnHgTe4 — Properties & Data | MatWorld

Tl2SnHgTe4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental