Platinum dioxide (PtO2) is a ceramic compound combining platinum metal with oxygen, forming a dense, refractory material notable for its high stiffness and resistance to thermal and chemical degradation. It appears primarily in catalytic applications where platinum's noble-metal properties and chemical inertness are critical, particularly in fine chemical synthesis, petroleum refining, and pharmaceutical manufacturing where it serves as a heterogeneous catalyst support or active catalytic phase.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)3 entries | 201.9 | GPa | DFT | ||
| ↳ | 233.1 | GPa | DFT · OptB88vdW | ||
| ↳ | 203.6 | GPa | DFT · PBE | ||
Elastic Compliance Tensor(Sij) | Matrix (redacted) | 1/GPa | DFT · PBE | ||
Elastic Anisotropy(AU) | 1.629 | - | DFT · PBE | ||
Elastic Stiffness Tensor(Cij) | Matrix (redacted) | Pa | DFT · PBE | ||
Poisson's Ratio(ν)2 entries | 0.3400 | - | DFT · OptB88vdW | ||
| ↳ | 0.3120 | - | DFT · PBE | ||
Shear Modulus(G)3 entries | 86.78 | GPa | DFT | ||
| ↳ | 101.2 | GPa | DFT · OptB88vdW | ||
| ↳ | 87.34 | GPa | DFT · PBE |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 11.19 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 0.6560 | eV | DFT · OptB88vdW | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 9.290 | - | DFT · PBE | ||
| ↳ | 19.27 range 18.78–19.76median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞) | 19.86 | - | DFT · OptB88vdW | ||
Electronic Dielectric Tensor(ε∞) | Matrix (redacted) | - | DFT · PBE | ||
Total Dielectric Tensor(ε) | Matrix (redacted) | - | DFT · PBE | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.01397 | C/m² | DFT · PBE | ||
Piezoelectric Stress Tensor(eij) | Matrix (redacted) | C/m² | DFT · PBE |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.04550 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -0.5898 | 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