Rb3NbO8 — Properties & Data | MatWorld

Rb3NbO8

ceramic

· Rb3NbO8

Rb3NbO8 is an ionic ceramic compound containing rubidium and niobium oxides, belonging to the family of complex metal oxides that exhibit interesting structural and functional properties. This material remains primarily a research compound studied for its potential in electrochemical, optical, and structural applications rather than established commercial use. The material is of interest to researchers investigating novel oxide ceramics for high-temperature stability, ionic conductivity, or as precursors for advanced ceramic composites, though practical engineering applications are still under development.

Research and developmentHigh-temperature ceramicsIonic conductorsStructural ceramicsExperimental oxidic compoundsSolid-state chemistry

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	5,385.3	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3000	-	DFT · OptB88vdW
Shear Modulus(G)	2,512.1	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1414	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	2.683	eV	DFT · OptB88vdW
Dielectric Constant (Relative Permittivity)(εr)	11.43	-	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	3.409	-	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Piezoelectric Modulus(eij)2 entries	0.1915	C/m²	DFT · OptB88vdW
↳	0.1440	C/m²	DFT · PBE
Piezoelectric Stress Tensor(eij)	Matrix (redacted)	C/m²	DFT · PBE
Thermoelectric Power Factor(PF)2 entries	0.000397	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000391	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-315	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	410	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)	0.05760	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-1.530	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.

Rb3NbO8

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental