Rb2Be2O3 — Properties & Data | MatWorld

Rb2Be2O3

ceramic

· JVASP-50339· Rb2Be2O3

Rb2Be2O3 is an inorganic oxide ceramic compound composed of rubidium and beryllium oxides, belonging to the family of alkaline earth beryllate ceramics. This material is primarily of research and specialized industrial interest rather than a commodity ceramic, as beryllium compounds demand careful handling due to toxicity concerns. Its potential applications leverage the unique properties of beryllium oxide (high thermal conductivity, wide bandgap) combined with rubidium's alkali characteristics, making it relevant for high-temperature refractory applications, solid-state electronics research, and specialized optical or thermal management systems where conventional ceramics are insufficient.

refractory materialssolid-state electronics researchthermal management systemshigh-temperature applicationsspecialized optical compounds

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.124	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	3.426	eV	DFT · OptB88vdW
↳	6.111	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)	1.728	-	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.000749	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000990	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-105.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	439.9	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)	0.000	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.286	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.

Rb2Be2O3

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental