P2Pt is an intermetallic compound in the platinum-phosphorus system, combining platinum's exceptional corrosion resistance and thermal stability with phosphorus to create a material with modified mechanical and chemical properties. This compound is primarily of research and specialized industrial interest, used in catalysis, electrical contacts, and high-temperature applications where platinum's intrinsic nobility must be balanced with improved hardness or specific electronic behavior. Engineers would consider P2Pt when standard platinum is too soft or costly, or when the intermetallic's altered electronic structure offers advantages in electrochemistry or surface reactivity over pure platinum.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 176.9 | GPa | DFT | ||
| ↳ | 172.4 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.2200 | - | DFT · OptB88vdW | ||
Shear Modulus(G)2 entries | 117.3 | GPa | DFT | ||
| ↳ | 121.9 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 8.873 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.024 | eV | DFT · OptB88vdW | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 22.83 | - | DFT · PBE | ||
| ↳ | 19.72 range 18.01–21.42median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 19.64 | - | DFT · OptB88vdW | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | DFT · PBE | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | DFT · PBE | ||
Electron Effective Mass(m*e) | 0.2500 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 0.1800 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00402 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00593 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -292.3 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 214.6 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.6855 | 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