TlGaTe2 — Properties & Data | MatWorld

TlGaTe2

Name: TlGaTe2
Brand: MatWorld

semiconductor

· TlGaTe2

TlGaTe2 is a ternary semiconductor compound composed of thallium, gallium, and tellurium, belonging to the family of III-V-VI semiconductors. This material is primarily of research interest for optoelectronic and photovoltaic applications, particularly in infrared detection and energy conversion where its direct bandgap and carrier mobility characteristics offer potential advantages over conventional binary semiconductors. While not yet widely commercialized, ternary chalcogenides like TlGaTe2 are investigated as candidates for next-generation solar cells, thermal imaging sensors, and radiation detection devices due to their tunable electronic properties and reduced lattice mismatch in heterostructure designs.

infrared photodetectorsphotovoltaic researchradiation sensingoptoelectronic devicessemiconductor heterostructuressolar cell development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	26.76	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2700	-	DFT · OptB88vdW
Shear Modulus(G)	14.93	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.974	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)3 entries	1.800	eV	Measured
↳	0.5130	eV	DFT · OptB88vdW
↳	0.9290	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	14.84	-	DFT · OptB88vdW
↳	10.56	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.06667	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.1000	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00209	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00131	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-119.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	197.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	31.05	%	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)	-0.3700	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.

TlGaTe2

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Physical Properties

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