K3TaF8

ceramic

· JVASP-40176· K3TaF8

K3TaF8 is a potassium tantalum fluoride ceramic compound belonging to the family of inorganic fluoride ceramics. This material is primarily of research and specialized industrial interest, valued for applications requiring high chemical stability, fluoride ion conductivity, and thermal resistance in corrosive environments.

solid-state electrolytesfluoride ion conductorshigh-temperature chemical processingcorrosion-resistant coatingsadvanced ceramics research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1461	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.547	eV	DFT · OptB88vdW
↳	4.504	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	5.931	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.417	-	DFT · OptB88vdW
↳	2.009	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.03639	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000320	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000685	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-461.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	361.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	-3.300	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.

K3TaF8 — Properties & Data | MatWorld

K3TaF8

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental