ErCuSe2 is an intermetallic compound combining erbium (a rare earth element), copper, and selenium in a defined stoichiometric ratio. This material represents a research-phase compound from the rare earth chalcogenide family, likely studied for its electronic and thermal properties rather than structural applications in conventional engineering. While not yet established in widespread industrial use, compounds in this material class are of interest for specialized applications requiring the unique combination of rare earth element characteristics with semiconducting or thermoelectric behavior.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 9,779.9 | ksi | — | ||
Poisson's Ratio(ν) | 0.3200 | - | — | ||
Shear Modulus(G) | 4,238 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2546 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.233 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 19.73 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij)2 entries | 0.3858 | C/m² | — | ||
| ↳ | 0.5327 | C/m² | — | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | — | ||
Seebeck Coefficient(S) | -308.6 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.247 | eV/atom | — |