Rb4 O2

semiconductor

· Rb4 O2

Rb₄O₂ is an experimental ionic compound belonging to the family of alkali metal oxides, synthesized primarily in laboratory research settings rather than produced commercially at scale. This material represents an underexplored composition in the rubidium oxide system and is of interest to researchers studying alkali metal chemistry, ionic conductivity, and solid-state physics. Its potential applications lie in advanced ceramic research, solid electrolytes for energy storage, and fundamental studies of defect chemistry in highly ionic systems, though practical engineering applications remain largely developmental.

solid-state electrolytes (research)ionic conductivity studiesceramic sciencealkali metal chemistrylaboratory compound synthesisfundamental materials research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	27.99	GPa	—
Shear Modulus(G)	13.21	GPa	—

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	1.554	eV	—

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-1.152	eV/atom	—

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

Regulatory Screening

Environmental

Export Control

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.

Rb4 O2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental

Export Control