Hf3N4 — Properties & Data | MatWorld

Hf3N4

ceramic

· JVASP-50336· Hf3N4

Hf3N4 is a refractory ceramic nitride compound based on hafnium, belonging to the family of transition metal nitrides used in extreme-temperature and high-performance applications. This material is primarily investigated in research settings for ultra-high-temperature structural applications where exceptional thermal stability and oxidation resistance are required. Engineers consider hafnium nitrides when conventional ceramics or superalloys reach their thermal limits, particularly in aerospace propulsion systems, nuclear applications, and advanced thermal protection systems where material degradation from extreme heat is a critical design constraint.

hypersonic vehicle thermal protectionrocket nozzle linersnuclear fuel cladding researchhigh-temperature structural ceramicsoxidation-resistant coatingsrefractory applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	15.95	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	-0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	10.15	ksi	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.3819	lb/in³	DFT · OptB88vdW

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Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	1.094	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	9.669	-	DFT · OptB88vdW
Electron Effective Mass(m*e)	0.8933	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.8433	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00130	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000777	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-176	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	178.5	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	0.02620	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.842	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.

Hf3N4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental