ErSi₂ is an intermetallic ceramic compound belonging to the rare-earth silicide family, characterized by a hexagonal crystal structure typical of RESi₂ phases. This material is primarily of research and development interest for high-temperature applications, where its combination of ceramic hardness with metallic thermal and electrical conductivity makes it a candidate for extreme-environment structural and functional components. ErSi₂ is notable for thermal stability and oxidation resistance in comparison to pure rare-earth metals, though industrial adoption remains limited relative to more established ceramic systems like alumina or silicon carbide.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 12,686.5 | ksi | — | ||
Poisson's Ratio(ν) | 0.3400 | - | — | ||
Shear Modulus(G) | 4,942.9 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2332 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.000 | eV | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -7.553 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.08830 | eV/atom | — | ||
Formation Energy(ΔHf)2 entries | -0.6488 | eV/atom | — | ||
| ↳ | -0.4466 | eV/atom | — |