Si3NiP4 — Properties & Data | MatWorld

Si3NiP4

metal

· Si3NiP4

Si₃NiP₄ is a ternary ceramic compound combining silicon nitride, nickel, and phosphorus phases, representing an advanced composite material in the silicon nitride family. This material is primarily of research and development interest for high-temperature structural applications where thermal stability and wear resistance are critical, with potential applications in automotive and aerospace sectors seeking lightweight alternatives to traditional metal alloys.

high-temperature ceramic compositeswear-resistant coatingsaerospace structural componentsautomotive engine partsresearch materials developmentthermal barrier systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	100.8	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2500	-	DFT · OptB88vdW
Shear Modulus(G)	63.01	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.100	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.4050	eV	DFT · OptB88vdW
↳	0.7450	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)2 entries	21.71	-	DFT · OptB88vdW
↳	20.24 range 18.80–21.68median of 2 measurements	-	DFT · PBEsol
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	18.79	-	DFT · OptB88vdW
↳	15.28	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.1233	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	0.1200	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.7736	C/m²	DFT · OptB88vdW
↳	0.3767	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00286	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00420	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-239.7	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	286.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	25.29	%	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)	-0.2511	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

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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.

Si3NiP4

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