Mg4Nb2O9 — Properties & Data | MatWorld

Mg4Nb2O9

ceramic

· JVASP-22990· Mg4Nb2O9

Mg4Nb2O9 is a complex metal oxide ceramic composed of magnesium and niobium. This material belongs to the family of niobate ceramics, which are primarily investigated for high-temperature structural applications, dielectric properties, and potential photocatalytic functions. While not a widely commercialized commodity material, niobate-based ceramics are of strong research interest for advanced applications requiring thermal stability, chemical inertness, and specialized electrical or optical properties.

High-temperature structural ceramicsDielectric materials researchRefractory applicationsPhotocatalysis developmentAdvanced ceramics R&DThermal barrier coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1544	lb/in³	DFT · OptB88vdW

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Filter by

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.443	eV	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000749	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000870	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-267.2	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	399.4	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.936	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.

Mg4Nb2O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental