Praseodymium oxide (Pr₂O₃) is a rare-earth ceramic compound used primarily as a semiconductor and functional material in advanced electronics and photonics applications. The material serves as a critical dopant and active component in optical devices, including lasers, fiber amplifiers, and luminescent displays, where its unique electronic band structure enables efficient light emission and manipulation. Engineers select Pr₂O₃ for high-temperature applications, catalytic systems, and next-generation solid-state lighting where rare-earth doping provides superior performance compared to conventional oxide semiconductors, though cost and sourcing of rare-earth elements remain key considerations.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 19,140.6 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.3400 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 7,930.7 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2468 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 0.9100 | eV | DFT · PBE | ||
| ↳ | 3.895 | eV | DFT · OptB88vdW | ||
| ↳ | 5.214 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 21.64 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 4.809 | - | DFT · OptB88vdW | ||
| ↳ | 3.993 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 1.063 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 2.523 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB)2 entries | 0.000 | μB | DFT | ||
| ↳ | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00168 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00152 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -258.3 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 451.9 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 0.000 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf)3 entries | -2.652 | eV/atom | DFT | ||
| ↳ | -3.539 | eV/atom | DFT · OptB88vdW | ||
| ↳ | -3.751 | eV/atom | Measured |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data