Ba₂Bi₆O₁₁ is a mixed-valence bismuth oxide ceramic compound containing barium and bismuth in a complex layered crystal structure. This material belongs to the family of advanced functional ceramics and is primarily investigated in research contexts for its potential as an oxygen-ion conductor and semiconductor. Its primary engineering interest lies in solid-state electrochemistry applications, particularly fuel cells and oxygen sensors, where bismuth oxides have demonstrated ionic conductivity at elevated temperatures.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 48.28 | GPa | — | ||
Poisson's Ratio(ν) | 0.3000 | - | — | ||
Shear Modulus(G) | 23.03 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 7.927 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 1.218 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 46.63 | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -89.90 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.1239 | eV/atom | — | ||
Formation Energy(ΔHf) | -1.586 | eV/atom | — |