TaTl3Se2S2

ceramic

· JVASP-108734· TaTl3Se2S2

TaTl3Se2S2 is a mixed-metal chalcogenide ceramic compound containing tantalum, thallium, selenium, and sulfur. This is a research-phase material rather than an established engineering ceramic; compounds in this family are primarily investigated for their electronic and photonic properties, particularly in contexts where layered chalcogenide structures offer tunable band gaps or anisotropic transport characteristics. Interest in such materials stems from potential applications in semiconducting devices, nonlinear optics, or thermoelectric conversion, where the combination of heavy metals and chalcogens can produce unusual electrical or optical behavior.

experimental semiconductorsnonlinear optical materialsthermoelectric researchsolid-state electronics developmentphotonic device prototyping

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2520	lb/in³	DFT · OptB88vdW

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Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.979	eV	DFT · OptB88vdW
↳	2.353	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	8.499	-	DFT · OptB88vdW
↳	7.056	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	15.46	%	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)	-0.7024	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.

TaTl3Se2S2 — Properties & Data | MatWorld

TaTl3Se2S2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental