RbO — Properties & Data | MatWorld

RbO

ceramic

· JVASP-102149· RbO

Rubidium oxide (RbO) is an ionic ceramic compound belonging to the alkali metal oxide family, characterized by its highly reactive nature and basic chemical properties. While RbO itself is not commonly encountered in commercial applications due to its extreme reactivity with moisture and carbon dioxide in air, rubidium oxides and compounds are of primary interest in research contexts involving specialized optics, solid-state chemistry, and advanced materials development. The material's potential relevance lies in exploratory work on ionic conductors, catalytic supports, and high-temperature ceramics, though practical engineering use typically involves stabilized rubidium-containing phases or alternative alkaline compounds with better environmental stability.

research and developmentsolid-state chemistryexperimental ceramicscatalytic materialshigh-temperature environmentsionic conductor research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	3,447.5	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.4100	-	DFT · OptB88vdW
Shear Modulus(G)	748.4	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1299	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	2.177	eV	DFT · OptB88vdW
↳	4.277	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.944	-	DFT · OptB88vdW
↳	2.346	-	DFT · TBmBJ
Magnetic Moment(μB)	2.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00157	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000829	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-201	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	332.7	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.

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Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.4190	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.7877	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.

RbO

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental