Si6 Sb4 O18 — Properties & Data | MatWorld

Si6 Sb4 O18

ceramic

· Si6 Sb4 O18

Si₆Sb₄O₁₈ is an inorganic oxide ceramic compound containing silicon, antimony, and oxygen. This material belongs to the family of mixed-metal oxides and is primarily of research interest rather than established industrial production. Antimony-silicate ceramics are investigated for applications requiring thermal stability, chemical resistance, or specialized optical/electronic properties, though Si₆Sb₄O₁₈ specifically remains in the exploratory phase with limited commercial deployment compared to conventional silicate or alumina-based ceramics.

research ceramicsmixed-metal oxide compoundshigh-temperature applicationschemical barrier coatingsspecialty refractory research

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	6,908.6	ksi	DFT · OptB88vdW
Shear Modulus(G)	6,027.8	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	4.230	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-2.390	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.

Si6 Sb4 O18

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental