Nb2O3

ceramic

· Nb2O3

Nb₂O₃ is a niobium oxide ceramic compound belonging to the refractory oxide family. It is primarily of research and specialized industrial interest, used in high-temperature applications, optical coatings, and as a precursor material in niobium-based compound synthesis. Its high melting point and chemical stability make it valuable in extreme environment applications, though it remains less common than other refractory oxides like alumina or zirconia in mainstream engineering practice.

refractory liningshigh-temperature ceramicsoptical coatingsadvanced materials researchelectronic ceramicsthermal barrier applications

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2365	lb/in³	DFT · OptB88vdW

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Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · PBE
Magnetic Moment(μB)2 entries	0.6090	μB	DFT
↳	0.000	µB	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.

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Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.05530	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	-1.569	eV/atom	DFT
↳	-2.369	eV/atom	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

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.

Nb2O3 — Properties & Data | MatWorld

Nb2O3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental