Rb2TiSi3O9 — Properties & Data | MatWorld

Rb2TiSi3O9

ceramic

· JVASP-22833· Rb2TiSi3O9

Rb2TiSi3O9 is a rare-earth-free silicate ceramic compound combining rubidium, titanium, and silicon oxides, belonging to the family of complex metal silicates studied for specialized applications requiring tailored thermal and structural properties. This material remains primarily a research compound rather than an established commercial ceramic, investigated for potential use in high-temperature applications, optical components, or as a precursor phase in ceramic processing due to its layered silicate structure and thermal stability characteristics.

research ceramicshigh-temperature structural materialsoptical/photonic materialsthermal management applicationsadvanced ceramic composites

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.540	kg/m³	DFT · OptB88vdW

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

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Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)	3.245	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	3.401	-	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00102	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000684	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-394.4	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	436.8	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	3.970	%	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)	-2.896	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.

Rb2TiSi3O9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental