BaAl2Si3N4O4 — Properties & Data | MatWorld

BaAl2Si3N4O4

Name: BaAl2Si3N4O4
Brand: MatWorld

ceramic

· JVASP-35116· BaAl2Si3N4O4

BaAl2Si3N4O4 is an oxynitride ceramic combining barium, aluminum, silicon, and nitrogen—a compound that bridges traditional silicate ceramics with nitrogen-based refractories to achieve enhanced high-temperature stability and mechanical properties. This material belongs to the family of advanced oxynitride ceramics developed primarily for demanding thermal and structural applications where conventional ceramics fall short; it is actively researched rather than widely commercialized, but represents the potential for engineered ceramics in extreme environments where thermal shock resistance, creep resistance, and oxidation stability are critical.

high-temperature structural componentsrefractory applicationsturbine engines and exhaust systemsceramic matrix compositesresearch and development materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.484	kg/m³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.532	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	3.467	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000708	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000682	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-138.8	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	394.4	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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.00200	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.250	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.

BaAl2Si3N4O4

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental