Si3Os — Properties & Data | MatWorld

Si3Os

ceramic

· JVASP-37223· Si3Os

Si3O5 is an advanced ceramic compound based on silicon and oxygen chemistry, representing a specific stoichiometry within the silicate family. This material is primarily investigated in research and specialty applications where high-temperature stability, rigidity, and chemical inertness are required. Its notable characteristics position it for thermal management, refractory applications, and advanced structural ceramics where conventional silicates or oxides may be insufficient.

refractory materialshigh-temperature structural applicationsthermal management systemsadvanced ceramics researchwear-resistant coatingssemiconductor processing environments

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions
Bulk Modulus(K)	154.2	GPa	DFT · OptB88vdW
Poisson's Ratio(ν)	0.3800	-	DFT · OptB88vdW
Shear Modulus(G)	43.44	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Density(ρ)	8.072	kg/m³	DFT · OptB88vdW

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Filter by

Method

Carrier

Property	Value	Unit	Conditions
Band Gap(Eg)2 entries	0.000	eV	DFT · OptB88vdW
↳	0.000	eV	DFT · TBmBJ
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW
Thermoelectric Power Factor(PF)2 entries	0.00686	W/(m·K²)	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	0.00527	W/(m·K²)	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C
Seebeck Coefficient(S)2 entries	-270	μV/K	DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C
↳	348.1	μV/K	DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C

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)	0.6850	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	0.4337	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.

Si3Os

Mechanical Properties

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental