O7 Si2 Sc2 — Properties & Data | MatWorld

O7 Si2 Sc2

ceramic

· O7 Si2 Sc2

O7Si2Sc2 is an advanced ceramic compound combining scandium oxide with silica-based phases, representing a research-stage material in the family of rare-earth ceramics. This composition is primarily under investigation for high-temperature structural applications where enhanced stiffness and thermal stability are desired, particularly in aerospace and materials science research contexts. Scandium-containing ceramics are notable for their potential to improve fracture toughness and thermal shock resistance compared to conventional alumina or zirconia ceramics, though this specific composition remains largely in exploratory development rather than established industrial production.

high-temperature structural ceramicsaerospace research applicationsthermal barrier coatings (experimental)refractory materials developmentadvanced composite reinforcement (research phase)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Bulk Modulus(K)	166.7	GPa	DFT · OptB88vdW
Shear Modulus(G)	76.97	GPa	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	4.325	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.358	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.

O7 Si2 Sc2

Mechanical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental