Tl2GeSe3 — Properties & Data | MatWorld

Tl2GeSe3

ceramic

· JVASP-11171· Tl2GeSe3

Tl2GeSe3 is a ternary chalcogenide ceramic compound combining thallium, germanium, and selenium—a material family of significant interest in solid-state physics and materials research. This compound is primarily investigated for optoelectronic and photovoltaic applications due to the electronic structure characteristics of chalcogenide semiconductors, though it remains largely in the research and development phase rather than established industrial production. Engineers considering this material should recognize it as an experimental compound with potential relevance to next-generation semiconductor devices, rather than a conventional engineering ceramic for structural or thermal applications.

Optoelectronic researchSemiconductor developmentPhotovoltaic devicesInfrared opticsThin-film electronicsMaterials science research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	20.50	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	9.200	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	6.628	kg/m³	DFT · OptB88vdW

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Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.9670	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	10.59	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.5400	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.387	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00197	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00191	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-232.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	257.5	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)	0.000	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

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.

Tl2GeSe3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental