W3N4 — Properties & Data | MatWorld

W3N4

metal

· JVASP-16015· W3N4

W3N4 is a refractory metal nitride compound in the tungsten-nitrogen system, representing a materials chemistry research area focused on ultra-hard and thermally stable intermetallic phases. While not a commercial commodity material, tungsten nitrides are studied for extreme-performance applications where conventional metals and ceramics reach their limits, with potential in wear-resistant coatings, high-temperature structural applications, and cutting tool development. The nitride family offers superior hardness and thermal stability compared to pure tungsten, though practical engineering adoption remains limited pending advances in synthesis, density control, and cost-effective manufacturing.

wear-resistant coatingshigh-temperature refractory applicationscutting tool researchhard material researchthermal barrier systemsextreme environment materials development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	13.28	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.4870	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00109	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00118	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	9.450	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	9.840	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)	0.5682	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.2044	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

Export Control

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.

W3N4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

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