O20 Si4 Y8 — Properties & Data | MatWorld

O20 Si4 Y8

ceramic

· O20 Si4 Y8

O20 Si4 Y8 is a rare-earth silicate ceramic compound containing yttrium, silicon, and oxygen in a defined stoichiometric ratio. This material belongs to the family of yttrium silicates, which are known for their high-temperature stability and thermal shock resistance, making them candidates for advanced thermal barrier and refractory applications where conventional oxides reach performance limits.

thermal barrier coatingshigh-temperature refractoryaerospace engine componentsadvanced structural ceramicsthermal management systems

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	5.023	eV	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Formation Energy(ΔHf)	-3.600	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.

O20 Si4 Y8

Electrical Properties

Other Properties

Regulatory Screening

Environmental