Si3Sb2O9

ceramic

· JVASP-30314· Si3Sb2O9

Si₃Sb₂O₉ is an inorganic oxide ceramic compound combining silicon and antimony oxides, belonging to the family of mixed-metal oxide ceramics. This material is primarily of research interest rather than established in high-volume industrial applications; it represents exploration of antimony-silicate systems for specialized ceramic applications where unique thermal, electrical, or chemical properties are desired. Engineers considering this material should evaluate it as a candidate for niche applications requiring antimony-bearing ceramics, such as specialized refractories, functional ceramics, or advanced composites, while recognizing that processing routes and long-term performance data may be less established than conventional oxide ceramics.

Research & development ceramicsRefractory applicationsFunctional oxide ceramicsHigh-temperature materialsAntimony-containing compoundsComposite reinforcement phases

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	6,908.1	ksi	DFT · OptB88vdW
Poisson's Ratio(ν)	0.1700	-	DFT · OptB88vdW
Shear Modulus(G)	6,027.8	ksi	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	0.1464	lb/in³	DFT · OptB88vdW

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

Filter by

Method

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	4.230	eV	DFT · OptB88vdW
↳	5.723	eV	DFT · TBmBJ
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries	3.514	-	DFT · OptB88vdW
↳	2.709	-	DFT · TBmBJ
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.

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.000	eV/atom	DFT · OptB88vdW
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.

Si3Sb2O9 — Properties & Data | MatWorld

Si3Sb2O9

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental