Al2CoO4 — Properties & Data | MatWorld

Al2CoO4

Name: Al2CoO4
Brand: MatWorld

ceramic

· Al2CoO4

Al2CoO4 is a mixed-metal oxide ceramic compound combining aluminum and cobalt oxides, belonging to the spinel or complex oxide family of ceramics. While primarily studied in research contexts for its potential in catalysis, pigmentation, and high-temperature applications, this material is of particular interest to materials scientists exploring cobalt-containing ceramics for their electromagnetic and catalytic properties. Engineers would consider this compound where cobalt oxide functionality is needed in a more stable ceramic matrix, such as in catalytic supports, thermal barrier coatings, or specialized pigment applications requiring enhanced durability compared to pure cobalt oxide alternatives.

catalytic supports and catalystsceramic pigments and colorantshigh-temperature coatingsresearch and developmentrefractory applicationselectromagnetic ceramic materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	27,967.6	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3700	-	DFT · OptB88vdW
Shear Modulus(G)	7,834.9	ksi	DFT · OptB88vdW

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Property	Value	Unit	Conditions	Source
Density(ρ)	0.1566	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.7430	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	122.1	-	DFT · OptB88vdW
Magnetic Moment(μB)	6.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000399	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000420	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-430.6	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	431.3	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)	0.05310	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-2.593	eV/atom	DFT · OptB88vdW
↳	-2.883	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.

Al2CoO4

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental