Samarium oxide (Sm₂O₃) is a rare-earth ceramic compound belonging to the lanthanide oxide family, valued for its semiconducting and optical properties at elevated temperatures. It is used primarily in advanced optoelectronic devices, solid-state lasers, phosphors for display technologies, and as a component in high-temperature ceramics and refractory applications where thermal stability and chemical resistance are critical. Sm₂O₃ is notable for enabling functionality in harsh thermal environments where conventional semiconductors would fail, making it a key material for aerospace, nuclear, and high-energy physics instrumentation.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 15,726.4 | ksi | — | ||
Poisson's Ratio(ν) | 0.3200 | - | — | ||
Shear Modulus(G) | 6,866.1 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2454 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 5.000 | eV | — | ||
| ↳ | 1.391 | eV | — | ||
| ↳ | 1.568 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 20.27 | - | — | ||
Magnetic Moment(μB)2 entries | 0.000 | μB | — | ||
| ↳ | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -249.8 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.2205 | eV/atom | — | ||
Formation Energy(ΔHf)3 entries | -2.766 | eV/atom | — | ||
| ↳ | -3.778 | eV/atom | — | ||
| ↳ | -3.451 | eV/atom | — |