Pr2PbSe4 is a ternary ceramic compound combining praseodymium, lead, and selenium, belonging to the family of mixed-metal chalcogenides. This is a research-phase material with potential applications in thermoelectric and optoelectronic devices due to the electronic properties arising from rare-earth (Pr) and heavy-metal (Pb) constituents; it represents an experimental composition rather than an established industrial ceramic, and its development is driven by the ongoing search for improved materials in solid-state energy conversion and photonic applications where the specific combination of elements may offer advantageous band structures or carrier mobility.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 9,179.4 | ksi | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2900 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 4,648.5 | ksi | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2579 | lb/in³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 1.747 | eV | DFT · OptB88vdW | ||
| ↳ | 2.122 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr) | 41.11 | - | DFT · OptB88vdW | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 11.77 | - | DFT · OptB88vdW | ||
| ↳ | 9.769 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.3967 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 2.143 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.2047 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00150 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00143 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -214.8 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 375.9 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 20.37 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -1.570 | eV/atom | DFT · OptB88vdW |
Reference data from cited sources. Not verified or certified by MatWorld Inc. Verify against the source before use in design. Terms: engineering data