Theoretical investigation of the role of halide alloys in the optoelectronic and stability properties of perovskites: The example of Cs0.25MA0.25FA0.50Pb(𝑋 ′ 𝑥𝑋1−𝑥 )3 - Santos, Ramiro M. dos; Cruz, Ivan; Lima, Matheus P; Silva, Juarez Lopes Ferreira da (Applied Materials Today, 2025)