TaF3

Name: TaF3
Brand: MatWorld

ceramic

· TaF3

Tantalum trifluoride (TaF3) is an inorganic ceramic compound combining refractory tantalum with fluorine, belonging to the metal fluoride ceramic family. While not a mainstream engineering material, TaF3 is primarily investigated in research contexts for applications requiring chemical inertness, high-temperature stability, and fluoride ion conductivity—making it relevant to solid-state electrolytes, advanced catalysts, and corrosion-resistant coatings in extreme chemical environments. Its notable characteristics stem from tantalum's inherent corrosion resistance combined with fluorine's high electronegativity, positioning it as a candidate material for next-generation electrochemical devices and specialized industrial processes where conventional ceramics prove inadequate.

solid-state electrolyteschemical catalysiscorrosion-resistant coatingshigh-temperature chemistryfluoride ion conductorsresearch/emerging applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	14,580.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4300	-	DFT · OptB88vdW
Shear Modulus(G)	5,868.2	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1993	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)3 entries	0.000	eV	Measured
↳	0.000	eV	DFT · OptB88vdW
↳	3.114	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	1.873	-	DFT · TBmBJ
Magnetic Moment(μB)	1.990	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000190	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000188	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	10.86	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	10.78	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	3.340	%	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)	0.4489	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.531	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.

TaF3 — Properties & Data | MatWorld

TaF3

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental