K2CeSi6O15 — Properties & Data | MatWorld

K2CeSi6O15

ceramic

· JVASP-25580· K2CeSi6O15

K2CeSi6O15 is a rare-earth silicate ceramic compound containing potassium, cerium, and silicon oxide phases. This material belongs to the family of rare-earth silicates, which are of significant interest in materials research for high-temperature applications and optical functionality. While primarily investigated in research and development contexts rather than widespread industrial production, rare-earth silicates like this composition are explored for applications requiring thermal stability, chemical durability, and potential luminescent or refractory properties.

refractory materials researchhigh-temperature ceramicsrare-earth host phasesoptical/luminescent coatingsthermal barrier applicationsadvanced ceramic research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1103	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)	2.489	eV	DFT · OptB88vdW
High-Frequency Dielectric Constant (ε∞)(ε∞)	2.950	-	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	1.133e-7	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000150	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-576.5	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	433.4	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	17.24	%	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)	-2.935	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.

K2CeSi6O15

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental