Sr₀.₉Y₀.₁TiO₃ is a doped perovskite ceramic compound in which strontium titanate is partially substituted with yttrium, creating a modified oxide structure. This material is primarily of research interest for solid-state energy applications, particularly as a ceramic electrolyte or electrode material in high-temperature electrochemical devices such as solid oxide fuel cells (SOFCs) and oxygen transport membranes, where the doping strategy is engineered to enhance ionic conductivity and chemical stability. The yttrium-strontium substitution is chosen to improve performance over pure strontium titanate by modifying defect chemistry and reducing sintering temperatures, making it attractive for developers seeking cost-effective ceramic electrolyte materials operating in intermediate-temperature ranges.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Thermal Conductivity(k)2 entries | 3.467 | BTU/(hr·ft·°F) | — | ||
| ↳ | 3.467 | BTU/(hr·ft·°F) | 127°C |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Electrical Conductivity(σ) | 794.3 | S/cm | 127°C | ||
Electrical Resistivity(ρe) | 0.0000126 | Ω·m | 127°C | ||
Thermoelectric Power Factor(PF) | 0.00113 | W/(m·K²) | 127°C | ||
Seebeck Coefficient(S) | -119.5 | μV/K | 127°C | ||
Thermoelectric Figure of Merit(zT) | 0.07562 | - | 127°C |