Rb2USi4O12 — Properties & Data | MatWorld

Rb2USi4O12

ceramic

· JVASP-26771· Rb2USi4O12

Rb2USi4O12 is a mixed-metal silicate ceramic compound containing rubidium, uranium, and silicon in a complex silicate framework structure. This material is primarily of scientific and research interest rather than established industrial production, belonging to the family of actinide-containing ceramics that are studied for nuclear waste immobilization, radiation tolerance, and fundamental solid-state chemistry applications. The incorporation of uranium suggests potential relevance to nuclear fuel-related research or advanced ceramic waste forms, though practical engineering applications remain limited to specialized research environments.

nuclear waste immobilization researchactinide ceramicsradiation-resistant materialshigh-temperature nuclear chemistrysolid-state crystal structure studiesexperimental nuclear materials

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.973	kg/m³	DFT · OptB88vdW

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	2.606	eV	DFT · OptB88vdW
↳	2.523	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.986	-	DFT · OptB88vdW
↳	2.607	-	DFT · TBmBJ
Thermoelectric Power Factor(PF)2 entries	4.267e-7	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.0000354	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-474	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	368.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	12.18	%	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)	-2.922	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.

Rb2USi4O12

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental