HfTaOFN

ceramic
· HfTaOFN

HfTaOFN is an advanced ceramic compound combining hafnium, tantalum, oxygen, and nitrogen—a refractory oxynitride in the high-entropy ceramic family. This material is primarily of research and developmental interest, explored for extreme-temperature applications where conventional ceramics face limitations; the hafnium-tantalum combination offers high melting points and chemical stability, while nitrogen incorporation can enhance hardness and thermal shock resistance compared to oxide-only alternatives.

hypersonic vehicle thermal protectionadvanced engine componentshigh-temperature coatingsrefractory applicationsaerospace research materials

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Band Gap(Eg)
eV
Magnetic Moment(μB)
μB
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Formation Energy(ΔHf)
eV/atom
Verified Unverified Low confidence (<80%) Link to source

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.