Table 1 The determined values of a (Å) (lattice constant), V (volume), B (bulk-modulus), \(E_{0}\) (ground state energy) , and \(\tau _{X}\) (tolerance factor) of \(Cs_{2}AgBiX_{6}\) (X = Br, Cl).
From: Impact of halide variation on the optoelectronic properties of double perovskites
Compound | a (Å) | Volume \((a.u^{3})\) | B(GPa) | \(E_{0}(R_{y})\) | \(\tau _{X}\) |
|---|---|---|---|---|---|
\(Cs_{2}AgBiBr_{6}\) | 11.44 | 2532.3588 | 40.85 | -116239.4291 | 0.89 |
\(Cs_{2}AgBiCl_{6}\) | 10.95 | 2216.5418 | 27.78 | -90497.8705 | 0.90 |