BaAl2O4

Name: BaAl2O4
Brand: MatWorld

ceramic

· BaAl2O4

Barium aluminate (BaAl2O4) is an advanced ceramic compound belonging to the aluminate family, valued for its thermal stability and optical properties. It is primarily used in phosphor applications, particularly as a host material for rare-earth dopants in fluorescent lamps, cathode ray tubes, and photoluminescent devices. Engineers select this material when requiring a ceramic with good chemical durability and the ability to support luminescent activators, making it especially relevant for lighting and display technologies where stable, efficient light conversion is critical.

phosphor host materialsfluorescent lighting applicationsphotoluminescent ceramicsdisplay technologyoptical coatingsthermal-stable ceramics

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	13,360.9	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3100	-	DFT · OptB88vdW
Shear Modulus(G)	6,110.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1434	lb/in³	DFT · OptB88vdW

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

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	4.276	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	11.85	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.00505	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000702	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000232	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-109	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	399	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.

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.00360	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-3.307	eV/atom	DFT · OptB88vdW
↳	-3.441	eV/atom	Measured

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

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.

BaAl2O4 — Properties & Data | MatWorld

BaAl2O4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental