Scandium oxide (Sc₂O₃) is a rare-earth ceramic compound that serves as a high-performance oxide semiconductor with applications in advanced optoelectronics and solid-state devices. It is valued in the semiconductor and photonics industries for its wide bandgap, optical transparency in the visible and infrared regions, and chemical stability at elevated temperatures. Engineers select Sc₂O₃ when thermal robustness, radiation hardness, and optical properties are critical—particularly in aerospace, nuclear, and high-brightness lighting applications where conventional semiconductors degrade.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 24,287.7 | ksi | — | ||
| ↳ | 24,304.8 | ksi | — | ||
| ↳ | 26,409.9 | ksi | — | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | — | ||
Elastic Anisotropy(AU) | 0.02300 | - | — | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | ksi | — | ||
Poisson's Ratio(ν)2 entries | 0.2960 | - | — | ||
| ↳ | 0.4000 | - | — | ||
Shear Modulus(G)3 entries | 11,489.5 | ksi | — | ||
| ↳ | 11,512.9 | ksi | — | ||
| ↳ | 10,876.4 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.1487 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 6.200 | eV | — | ||
| ↳ | 1.319 | eV | — | ||
| ↳ | 3.566 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 26.99 | - | — | ||
Magnetic Moment(μB)2 entries | 0.000 | μB | — | ||
| ↳ | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -273.7 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1190 | eV/atom | — | ||
Formation Energy(ΔHf)3 entries | -2.870 | eV/atom | — | ||
| ↳ | -3.956 | eV/atom | — | ||
| ↳ | -3.696 | eV/atom | — |