Ba₁Sr₁I₄ is a halide perovskite semiconductor compound combining barium, strontium, and iodine in a layered crystal structure. This material is primarily investigated in research contexts for next-generation optoelectronic and photovoltaic applications, where the mixed-cation composition offers potential for tuned bandgap and improved stability compared to single-cation iodide perovskites. Engineers consider halide perovskites like this compound for applications requiring low-cost solution processing, high light absorption, and tunable electronic properties, though commercialization remains limited due to ongoing challenges with long-term stability and lead-free alternatives.
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| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K) | 23.68 | GPa | — | ||
Shear Modulus(G) | 9.267 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg) | 3.317 | eV | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Formation Energy(ΔHf) | -1.797 | eV/atom | — |