Tl2HgGeTe4

ceramic

· JVASP-86225· Tl2HgGeTe4

Tl2HgGeTe4 is a quaternary chalcogenide ceramic compound belonging to the family of heavy-metal tellurides, typically studied for its semiconductor and thermoelectric properties. This material is primarily of research and developmental interest rather than established industrial production, with potential applications in thermoelectric energy conversion and infrared optics where its unique crystal structure and electronic properties may offer advantages over simpler binary or ternary compounds. Engineers investigating advanced thermal management or energy harvesting in specialized environments would evaluate this compound as part of exploratory material selection when conventional alternatives prove insufficient.

thermoelectric energy conversioninfrared optical materialssemiconductor researchthermal management (advanced)experimental electronics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,518.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	1,544.7	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2754	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.3100	eV	DFT · OptB88vdW
↳	0.6960	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	19.28	-	DFT · OptB88vdW
↳	12.46	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	23.97	%	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)	0.00820	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1503	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.

Tl2HgGeTe4 — Properties & Data | MatWorld

Tl2HgGeTe4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental