Hf3N2O3 — Properties & Data | MatWorld

Hf3N2O3

ceramic

· JVASP-49884· Hf3N2O3

Hf3N2O3 is an oxynitride ceramic compound combining hafnium with nitrogen and oxygen, belonging to the family of refractory ceramics used in extreme-temperature environments. This material is primarily of research and emerging-application interest rather than a commodity engineering ceramic, valued for its potential in ultra-high-temperature systems where conventional oxides or nitrides reach their thermal limits. Its appeal lies in combining hafnium's exceptional refractory properties with the hardness and thermal stability imparted by nitrogen incorporation—making it a candidate for next-generation aerospace, hypersonic vehicle, and advanced reactor applications where thermal protection and structural integrity at extreme temperatures are critical.

hypersonic vehicle thermal protectionadvanced aerospace structureshigh-temperature reactor componentsrefractory lining systemsthermal barrier coating research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	9.041	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.356	eV	DFT · OptB88vdW
↳	4.584	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	5.558	-	DFT · OptB88vdW
↳	4.314	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00159	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000968	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-308.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	360.2	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	DFT · TBmBJ

N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form, heat treatment, basis, or test environment.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.04410	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.916	eV/atom	DFT · OptB88vdW

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.

Hf3N2O3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental