Rb4CuSi2O7

Name: Rb4CuSi2O7
Brand: MatWorld

ceramic

· Rb4CuSi2O7

Rb4CuSi2O7 is a mixed-metal silicate ceramic compound containing rubidium, copper, and silicon oxides, representing an inorganic crystalline material in the silicate family. This compound is primarily of research interest rather than established industrial production; it belongs to the class of complex metal silicates that are studied for potential applications in solid-state chemistry, ion-conduction systems, and specialized optical or electronic ceramics. The incorporation of copper and alkali-metal rubidium suggests potential relevance to ionic conductivity studies or as a precursor phase in functional ceramic development, though practical engineering applications remain limited to experimental and laboratory contexts.

experimental ceramic researchsolid-state ionic conductorslaboratory synthesismixed-metal silicate studiescrystallographic research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1317	lb/in³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	Measured
↳	1.256	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	3.083	-	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.0000173	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00000737	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	32.17	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	24.11	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	32.12	%	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)	0.00220	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-2.197	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.

Rb4CuSi2O7 — Properties & Data | MatWorld

Rb4CuSi2O7

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental