YAuO2 is an yttrium-gold oxide ceramic compound that combines rare-earth and precious-metal constituents in a mixed-valence oxide structure. This is a specialized research material rather than a conventional engineering ceramic, investigated primarily for its unique electronic and optical properties at the intersection of rare-earth chemistry and gold chemistry. The material is of interest in advanced applications requiring high density and specific electromagnetic or catalytic behavior, though industrial deployment remains limited pending further development of processing routes and cost-performance validation.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 125.5 | GPa | DFT · OptB88vdW | ||
Poisson's Ratio(ν) | 0.4000 | - | DFT · OptB88vdW | ||
Shear Modulus(G) | 38.33 | GPa | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.909 | kg/m³ | DFT · OptB88vdW |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)2 entries | 2.764 | eV | DFT · OptB88vdW | ||
| ↳ | 3.721 | eV | DFT · TBmBJ | ||
Dielectric Constant (Relative Permittivity)(εr)2 entries | 11.90 | - | DFT · OptB88vdW | ||
| ↳ | 8.880 range 5.711–12.05median of 2 measurements | - | DFT · PBEsol | ||
High-Frequency Dielectric Constant (ε∞)(ε∞)2 entries | 5.807 | - | DFT · OptB88vdW | ||
| ↳ | 4.374 | - | DFT · TBmBJ | ||
Electron Effective Mass(m*e) | 0.4133 | me | DFT · OptB88vdW · 27°C | ||
Hole Effective Mass(m*h) | 2.727 | me | DFT · OptB88vdW · 27°C | ||
Magnetic Moment(μB) | 0.000 | µB | DFT · OptB88vdW | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | DFT · OptB88vdW | ||
Thermoelectric Power Factor(PF)2 entries | 0.00189 | W/(m·K²) | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 0.00370 | W/(m·K²) | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Seebeck Coefficient(S)2 entries | -194 | μV/K | DFT · OptB88vdW · n-type · 1e20 cm⁻³ · 327°C | ||
| ↳ | 414.4 | μV/K | DFT · OptB88vdW · p-type · 1e20 cm⁻³ · 327°C | ||
Spectroscopic Limited Maximum Efficiency (SLME)(SLME) | 0.5000 | % | DFT · TBmBJ |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.00440 | eV/atom | DFT · OptB88vdW | ||
Formation Energy(ΔHf) | -2.445 | 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