Rb2O3

ceramic

· Rb2O3

Rb₂O₃ is a rubidium oxide ceramic compound that exists primarily as a research material rather than a widely commercialized engineering ceramic. The rubidium oxide family is studied for specialized applications in optics, catalysis, and solid-state chemistry, though Rb₂O₃ itself is difficult to stabilize and typically exists in equilibrium with other rubidium oxide phases (Rb₂O, RbO₂). Engineers might encounter this compound in advanced research contexts involving alkali metal ceramics, ionic conductors, or as a precursor material in synthesis routes for specialty ceramics and catalytic supports.

research catalystssolid-state ionic conductorsoptical material synthesisalkali metal chemistrylaboratory spectroscopy standardsadvanced ceramic precursors

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1343	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · PBE
↳	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	4.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000249	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000242	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	80.06	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	78.33	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.

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

Filter by

Method

Property	Value	Unit	Conditions
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)2 entries	0.1230	eV/atom	DFT
↳	-1.112	eV/atom	DFT · OptB88vdW

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

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.

Rb2O3 — Properties & Data | MatWorld

Rb2O3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental