TlInTe2

Name: TlInTe2
Brand: MatWorld

semiconductor

· TlInTe2

TlInTe2 is a ternary chalcogenide semiconductor compound composed of thallium, indium, and tellurium, belonging to the class of narrow-bandgap semiconductors with potential thermoelectric and infrared optoelectronic properties. This material is primarily of research interest for mid- to far-infrared photodetectors, thermal imaging sensors, and thermoelectric energy conversion applications where its semiconductor bandgap and thermal properties are advantageous. Compared to binary alternatives like InTe or PbTe, ternary compounds like TlInTe2 offer tunable electronic properties and potential improvements in lattice matching for heterostructures, though material stability and manufacturability remain active areas of investigation.

infrared photodetectorsthermal imaging sensorsthermoelectric devicesresearch semiconductorsoptoelectronic applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,573.7	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	1,991.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2556	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.6200	eV	Measured
↳	0.5450	eV	DFT · OptB88vdW
↳	0.9880	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	14.09	-	DFT · OptB88vdW
↳	10.38	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.2100	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.5533	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00254	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000965	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-147.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	150.9	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.85	%	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)	-0.3687	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

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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.

TlInTe2 — Properties & Data | MatWorld

TlInTe2

Mechanical Properties

Physical Properties

Electrical Properties

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