TaHfO2F — Properties & Data | MatWorld

TaHfO2F

ceramic

· TaHfO2F

TaHfO2F is an experimental ceramic compound combining tantalum, hafnium, oxygen, and fluorine—a rare earth/refractory metal oxide fluoride. This material belongs to the family of advanced ceramic composites being investigated for extreme-environment applications where conventional oxides reach their thermal or chemical limits. The fluorine dopant modifies surface chemistry and ion-conduction pathways, making it a candidate for solid-state electrolytes, thermal barrier coatings, or corrosion-resistant high-temperature phases where hafnia and tantalum oxide individually prove insufficient.

solid-state electrolytes (research)thermal barrier coatingshigh-temperature oxidation resistancefluoride-ion conductorsaerospace/refractory applications (experimental)

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · GLLB-SC
Magnetic Moment(μB)	3.762	μB	DFT

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.340	eV/atom	DFT

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.

TaHfO2F

Electrical Properties

Other Properties

Regulatory Screening

Environmental