SiHfO2N — Properties & Data | MatWorld

SiHfO2N

ceramic

· SiHfO2N

SiHfO₂N is an advanced ceramic compound combining silicon, hafnium, oxygen, and nitrogen phases, representing a quaternary oxide-nitride system designed for extreme thermal and chemical environments. This material family is primarily investigated for high-temperature structural applications where superior oxidation resistance, thermal stability, and mechanical retention at elevated temperatures are critical. It competes with traditional alumina, yttria-stabilized zirconia (YSZ), and other refractory ceramics by leveraging hafnium's high atomic mass and strong bonding characteristics to resist degradation in oxidizing atmospheres and thermal cycling.

high-temperature structural coatingsthermal barrier systemsaero-engine componentsoxidation protectionrefractory applicationsresearch ceramics

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)	0.9934	μB	DFT

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	1.520	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.

SiHfO2N

Electrical Properties

Other Properties

Regulatory Screening

Environmental