K2Si3SnO9 — Properties & Data | MatWorld

K2Si3SnO9

ceramic

· JVASP-25807· K2Si3SnO9

K2Si3SnO9 is a mixed-metal oxide ceramic composed of potassium, silicon, and tin. This compound belongs to the silicate family and is primarily of research and materials science interest rather than an established industrial ceramic. It may be explored for applications requiring specific thermal, electrical, or optical properties enabled by its ternary composition, though detailed industrial deployment information is limited in standard engineering databases.

Experimental ceramics researchHigh-temperature silicate systemsTin-containing oxide compoundsMaterials property evaluationPotential thermal barrier applicationsAdvanced ceramic development

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	3.152	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)2 entries	4.080	eV	DFT · OptB88vdW
↳	6.026	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	2.721	-	DFT · OptB88vdW
↳	2.170	-	DFT · TBmBJ
Thermoelectric Power Factor(PF)2 entries	0.000985	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.000305	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-141.9	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	398.3	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Spectroscopic Limited Maximum Efficiency (SLME)(SLME)	0.000	%	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)	-2.598	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.

K2Si3SnO9

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental