Tb2Nb2O7 — Properties & Data | MatWorld

Tb2Nb2O7

ceramic

· JVASP-50944· Tb2Nb2O7

Tb₂Nb₂O₇ is a rare-earth niobate ceramic compound belonging to the pyrochlore oxide family, combining terbium and niobium in a highly ordered crystalline structure. This material is primarily of interest in advanced ceramics research for high-temperature applications and functional devices, particularly where thermal stability, electrical properties, or nuclear radiation resistance are required. While not yet widely commercialized, pyrochlore ceramics like this compound show promise in aerospace thermal barriers, nuclear waste immobilization, and solid-state electronic applications where conventional oxides fall short.

high-temperature ceramics researchthermal barrier coatings (experimental)nuclear material applicationssolid-state ion conductorsradiation-resistant refractories

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	7.291	kg/m³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000732	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000863	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	14.48	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	15.63	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)	0.07160	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.189	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.

Tb2Nb2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental