HfCaO2N

ceramic

· HfCaO2N

HfCaO₂N is an experimental oxynitride ceramic compound containing hafnium, calcium, oxygen, and nitrogen elements. This material belongs to the broader family of high-entropy and complex oxynitride ceramics, which are actively researched for extreme-environment applications where conventional ceramics reach their thermal or chemical limits. The incorporation of nitrogen into hafnia-based systems is designed to improve hardness, thermal stability, and oxidation resistance compared to pure oxides, making it a candidate for advanced refractory and high-temperature structural applications.

High-temperature coatingsRefractory materialsThermal barrier systemsResearch & developmentExtreme environment protectionHard ceramic composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	—
Magnetic Moment(μB)	0.03238	μB	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.400	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.

HfCaO2N

Electrical Properties

Other Properties

Regulatory Screening

Environmental