Tb5O9 — Properties & Data | MatWorld

Tb5O9

ceramic

· JVASP-42210· Tb5O9

Tb5O9 is a terbium oxide ceramic compound belonging to the rare-earth oxide family, characterized by a mixed-valence structure that gives it unique electrical and thermal properties. While primarily a research material rather than a commodity ceramic, terbium oxides are investigated for high-temperature applications, advanced electronics, and photonic devices where rare-earth dopants or phases are required. Engineers consider this material when conventional ceramics cannot meet demands for thermal stability, ionic conductivity, or specialized optical performance in extreme environments.

high-temperature ceramicsrare-earth oxide researchsolid-state electrolytesrefractory applicationsphotonic materialsthermal barrier coatings

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.2807	lb/in³	DFT · OptB88vdW

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Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	2.985	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000274	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000294	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	3.623	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	3.687	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)	0.1294	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-3.268	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.

Tb5O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental