K3TaS4 — Properties & Data | MatWorld

K3TaS4

ceramic

· JVASP-23053· K3TaS4

K3TaS4 is a ternary ceramic compound composed of potassium, tantalum, and sulfur, belonging to the thiometallic ceramic family. This material is primarily of research interest for solid-state chemistry and materials science investigations, with potential applications in sulfide-based ion conductors, optical materials, and advanced ceramic systems. While not yet established in mainstream industrial production, materials in this chemical family are explored for energy storage, photocatalysis, and semiconductor applications where sulfide ceramics offer advantages over conventional oxides.

solid-state chemistry researchexperimental ionic conductorsphotocatalytic materials developmentsulfide ceramic systemsadvanced materials characterization

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.057	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	2.730	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000342	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000384	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-270.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	298.8	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)	-1.418	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

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Quality & Standards

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.

K3TaS4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control

Quality & Standards