NaPN2 — Properties & Data | MatWorld

NaPN2

ceramic

· NaPN2

NaPN₂ is a sodium-based ceramic compound belonging to the phosphorus nitride family, synthesized through solid-state reaction or advanced ceramic processing routes. This material is primarily of research and developmental interest for applications requiring lightweight, stiff ceramic components with moderate density. Its potential lies in emerging applications where nitride-phosphide hybrid ceramics offer combinations of hardness, thermal stability, and mechanical stiffness, though it remains less established industrially than conventional nitrides (Si₃N₄, AlN) or phosphates.

experimental ceramics researchstructural composites developmenthigh-temperature ceramic coatingswear-resistant ceramic phaseslightweight structural ceramicsadvanced refractory materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	139.4	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2400	-	DFT · OptB88vdW
Shear Modulus(G)	95.69	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.125	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	4.866	eV	DFT · OptB88vdW
↳	6.471	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	12.46	-	DFT · OptB88vdW
↳	9.910	-	DFT · PBE
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.061	-	DFT · OptB88vdW
↳	3.162	-	DFT · TBmBJ
Electronic Dielectric Tensor(ε∞)	Matrix (redacted)	-	DFT · PBE
Total Dielectric Tensor(ε)	Matrix (redacted)	-	DFT · PBE
Electron Effective Mass(m*e)	1.030	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	2.013	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.4477	C/m²	DFT · OptB88vdW
↳	0.3943	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00103	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00182	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-192	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	454.3	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)	-0.7313	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.

NaPN2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental