TbBi5O9 — Properties & Data | MatWorld

TbBi5O9

ceramic

· JVASP-52227· TbBi5O9

TbBi5O9 is a rare-earth bismuth oxide ceramic compound combining terbium and bismuth in a fixed stoichiometric ratio. This is a specialized research material within the family of rare-earth bismuthates, primarily investigated for its potential in high-temperature applications and photocatalytic or electronic device contexts where the unique properties of terbium-doped bismuth oxide systems become relevant.

photocatalytic applicationshigh-temperature ceramicsrare-earth functional oxidesresearch and developmentelectronic device materialsthermal barrier candidates

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.3301	lb/in³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	1.848	eV	DFT · OptB88vdW
↳	2.713	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	46.97	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	7.053	-	DFT · OptB88vdW
↳	5.241	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)	0.4824	C/m²	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00212	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000800	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-268	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	309.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	8.690	%	DFT · TBmBJ

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)	0.05990	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.711	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.

TbBi5O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental