SiHfN3

ceramic

· SiHfN3

SiHfN3 is a ternary ceramic compound combining silicon, hafnium, and nitrogen, belonging to the family of refractory nitride ceramics. This material is primarily of research interest as a potential ultra-high-temperature ceramic (UHTC) candidate, valued for its thermal stability, oxidation resistance, and hardness in extreme environments where conventional ceramics degrade. It represents an emerging class of materials designed for next-generation aerospace and hypersonic applications, though industrial adoption remains limited compared to established alternatives like silicon nitride or hafnium carbide.

ultra-high-temperature structural componentsaerospace thermal protection systemshypersonic vehicle leading edgesrefractory applicationsresearch and developmenthigh-temperature coatings

Compliance & Regulations

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

Units:

si imperial

Filter by

Method

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · GLLB-SC
Magnetic Moment(μB)	2.937	μB	DFT

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	2.020	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.

SiHfN3 — Properties & Data | MatWorld

SiHfN3

Electrical Properties

Other Properties

Regulatory Screening

Environmental