Tl3AsS4

ceramic

· JVASP-21078· Tl3AsS4

Tl3AsS4 is a thallium arsenide sulfide ceramic compound belonging to the family of mixed-metal chalcogenide materials. This is a specialized research compound rather than a mainstream industrial ceramic, primarily investigated for its optical and electronic properties in infrared applications and solid-state physics research. The material is notable within the context of experimental photonic devices and semiconductor research where its unique optical transmission characteristics in specific wavelength regions offer potential advantages over conventional oxide ceramics.

infrared optics researchphotonic materials developmentsolid-state physicsexperimental semiconductor applicationsoptical window materialslaboratory characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2174	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.421	eV	DFT · OptB88vdW
↳	2.073	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	6.289	-	DFT · TBmBJ
Electron Effective Mass(m*e)	1.553	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.710	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00116	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00121	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-274.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	269.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	21.41	%	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)	-0.3409	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.

Tl3AsS4 — Properties & Data | MatWorld

Tl3AsS4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental