Er5Si3

ceramic
· Er5Si3

Er5Si3 is an intermetallic ceramic compound in the erbium-silicon system, combining a rare-earth element with silicon to form a high-melting ceramic phase. This material is primarily of research and developmental interest for high-temperature structural applications, particularly where oxidation resistance and thermal stability are critical; it belongs to a family of rare-earth silicides being investigated as potential matrix phases or reinforcements in advanced composites and coatings for aerospace and energy applications.

high-temperature structural compositesaerospace engine componentsoxidation-resistant coatingsresearch-phase ceramicsrare-earth silicide systemsthermal barrier applications

Compliance & Regulations

?Conflict Free?RoHS?REACH?TSCA?Prop 65
PropertyValueUnitConditionsSource
Density(ρ)
lb/in³
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)2 entries
eV
eV
Magnetic Moment(μB)
µB
Seebeck Coefficient(S)
µV/K
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.
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
eV/atom
Formation Energy(ΔHf)2 entries
eV/atom
eV/atom
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.
Verified Unverified Low confidence (<80%) Link to source

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.
Er5Si3 — Properties & Data | MatWorld