Er3Si — Properties & Data | MatWorld

Er3Si

ceramic

· JVASP-123248· Er3Si

Er3Si is an intermetallic ceramic compound combining erbium and silicon, belonging to the family of rare-earth silicides. This material is primarily investigated in research contexts for high-temperature structural applications and advanced ceramics where thermal stability and refractory properties are valued. Er3Si and related rare-earth silicides show promise in aerospace, nuclear, and extreme-environment engineering due to their potential for thermal management and oxidation resistance, though industrial adoption remains limited compared to established ceramic alternatives like alumina or yttria-stabilized zirconia.

high-temperature refractory applicationsaerospace thermal protectionrare-earth intermetallics researchextreme-environment ceramicsnuclear fuel cladding (exploratory)thermal barrier coatings (developmental)

Compliance & Regulations

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

Units:

si imperial

Property	Value	Unit	Conditions	Source
Density(ρ)	8.060	kg/m³	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Band Gap(Eg)	0.000	eV	DFT · OptB88vdW
Magnetic Moment(μB)	0.000	µB	DFT · OptB88vdW

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

Property	Value	Unit	Conditions	Source
Energy Above Hull(ΔEhull)	0.3130	eV/atom	DFT · OptB88vdW
Formation Energy(ΔHf)	-0.1558	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.

Er3Si

Physical Properties

Electrical Properties

Other Properties

Regulatory Screening

Environmental