Rb3TaO8 — Properties & Data | MatWorld

Rb3TaO8

ceramic

· Rb3TaO8

Rb3TaO8 is an oxide ceramic compound composed of rubidium and tantalum, belonging to the family of complex metal oxides with potential applications in functional ceramics. This material is primarily of research interest rather than established in widespread industrial production, with investigations focused on its electronic, ionic, or structural properties that may enable use in energy storage, catalysis, or solid-state device applications. The tantalum-based oxide chemistry suggests potential relevance to high-temperature stability and chemical inertness, making it a candidate material for emerging technologies in advanced ceramics.

research ceramicssolid-state electrolytescatalytic substrateshigh-temperature oxidation resistancefunctional oxide materialslaboratory investigation

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	37.53	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	17.70	GPa	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Density(ρ)	4.655	kg/m³	DFT · OptB88vdW

Verified Unverified Low confidence (<80%) Link to source

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.260	eV	DFT · OptB88vdW
↳	4.498	eV	DFT · TBmBJ
Dielectric Constant (Relative Permittivity)(εr)	10.84	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.232	-	DFT · OptB88vdW
↳	2.708	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.1631	C/m²	DFT · OptB88vdW
↳	0.1403	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.00102	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000407	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-331	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	415.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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.

Verified Unverified Low confidence (<80%) Link to source

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.07920	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.605	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.

Rb3TaO8

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental