Ta4 F20 — Properties & Data | MatWorld

Ta4 F20

ceramic

· Ta4 F20

Ta4F20 is a tantalum fluoride ceramic compound, likely a mixed-valence tantalum fluoride phase used primarily in materials research and solid-state chemistry contexts. This material belongs to the family of transition metal fluorides, which are of interest for ionic conductivity, electrochemical applications, and fundamental studies of fluoride coordination chemistry. Ta4F20 and related tantalum fluoride phases are not widely used in high-volume industrial applications but represent an emerging research area for solid electrolytes, ceramic coatings, and corrosion-resistant systems where fluoride stability is advantageous.

solid electrolyte researchelectrochemical cells (experimental)corrosion-resistant coatingsrefractory ceramics (specialized)materials science researchhigh-temperature fluoride systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	5.550	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.316	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.

Ta4 F20

Electrical Properties

Other Properties

Regulatory Screening

Environmental