Na4WN2O2 — Properties & Data | MatWorld

Na4WN2O2

ceramic

· JVASP-11783· Na4WN2O2

Na₄WN₂O₂ is an experimental ceramic compound containing sodium, tungsten, nitrogen, and oxygen—a mixed-valence ceramic likely synthesized for research into novel functional materials. This material belongs to the broader family of tungsten-based ceramics and oxynitrides, which are under investigation for their potential in high-temperature applications, catalysis, and electronic devices where tungsten's refractory properties and nitrogen's contribution to hardness and chemical stability offer theoretical advantages. As a research-phase compound, it remains primarily of interest to materials scientists exploring new compositional space; industrial adoption would depend on demonstrating performance or cost benefits over established alternatives such as tungsten carbide, nitrides, or conventional oxides.

research ceramicshigh-temperature materials developmentrefractory compoundscatalytic applicationsoxynitride systemsadvanced ceramic exploration

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	4.062	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.364	eV	DFT · OptB88vdW
↳	4.440	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.966	-	DFT · OptB88vdW
↳	3.859	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	6.000e-8	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000535	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-428.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	407.5	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.307	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.

Na4WN2O2

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental