MgSiN2 — Properties & Data | MatWorld

MgSiN2

Name: MgSiN2
Brand: MatWorld

ceramic

· MgSiN2

Magnesium silicon nitride (MgSiN₂) is an advanced ceramic compound combining magnesium, silicon, and nitrogen phases, belonging to the ternary nitride ceramic family. This material is primarily of research and developmental interest for high-temperature structural applications where thermal stability, hardness, and modest weight are valued; it represents an alternative within the nitride ceramic space for potential use in aerospace, automotive, and semiconductor processing environments. Compared to established nitrides like Si₃N₄, MgSiN₂ offers opportunities for tailored mechanical performance and thermal properties, though it remains less matured for high-volume industrial deployment.

high-temperature structural ceramicsaerospace componentssemiconductor processing equipmentadvanced composites reinforcementthermal barrier coatingsresearch-phase materials

Compliance & Regulations

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

Units:

si imperial

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Method

Property	Value	Unit	Conditions
Bulk Modulus(K)2 entries	172.8	GPa	DFT
↳	180.1	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.2600	-	DFT · OptB88vdW
Shear Modulus(G)2 entries	104.4	GPa	DFT
↳	119.8	GPa	DFT · OptB88vdW

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.

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

Property	Value	Unit	Conditions	Source
Density(ρ)	3.095	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)3 entries	4.050	eV	Measured
↳	4.460	eV	DFT · OptB88vdW
↳	5.408	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	10.26	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	4.329	-	DFT · OptB88vdW
↳	3.612	-	DFT · TBmBJ
Electron Effective Mass(m*e)	0.3267	me	DFT · OptB88vdW · 27°C
Hole Effective Mass(m*h)	1.907	me	DFT · OptB88vdW · 27°C
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.5455	C/m²	DFT · OptB88vdW
↳	0.4051	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000546	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00147	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-89.14	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	321.5	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.02920	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.304	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.

MgSiN2

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental