K2SrTa2O7 is a complex oxide ceramic composed of potassium, strontium, and tantalum oxides, belonging to the family of layered perovskite and Aurivillius-phase ceramics. This material is primarily of research interest for high-temperature and electronic applications, where its structural stability and ionic conductivity properties are being explored. The tantalum-based composition positions it as a candidate for advanced ceramics in solid-state electrochemistry, thermal barrier coatings, and specialized dielectric applications where conventional oxides reach performance limits.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 16,917.2 | ksi | — | ||
Poisson's Ratio(ν) | 0.2700 | - | — | ||
Shear Modulus(G) | 9,887.2 | ksi | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 0.2190 | lb/in³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 2.117 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 27.97 range 4.156–51.78median of 2 measurements | - | — | ||
Magnetic Moment(μB) | 0.000 | µB | — | ||
Seebeck Coefficient(S) | -164.9 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf) | -2.993 | eV/atom | — |