Tl2SiHgSe4 — Properties & Data | MatWorld

Tl2SiHgSe4

ceramic

· JVASP-91523· Tl2SiHgSe4

Tl2SiHgSe4 is a quaternary ceramic compound combining thallium, silicon, mercury, and selenium—a rare selenide material that falls outside mainstream industrial use. This composition represents an experimental or specialized research material, likely investigated for its electronic, optical, or thermoelectric properties within the broader family of complex metal selenides and chalcogenides. Engineers would consider this material only in advanced research contexts, such as semiconductor physics, photonic device development, or novel thermoelectric applications where its unique atomic composition offers potential advantages over conventional alternatives.

Experimental semiconductorsThermoelectric researchOptical/photonic materialsChalcogenide electronicsLaboratory/research compoundsAdvanced functional ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	30.03	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3400	-	DFT · OptB88vdW
Shear Modulus(G)	11.52	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	7.146	kg/m³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.093	eV	DFT · OptB88vdW
↳	1.609	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	10.31	-	DFT · OptB88vdW
↳	7.892	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	30.57	%	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00230	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.3522	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.

Tl2SiHgSe4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental