Figure 1. FCC based Pd (a =3.9382 Å & No of atoms in unit cell -4) and Si closed packed (a=3.7653 Å & No of atoms in unit cell -4) crystal structures

From

Structure, Melting and Transport Properties of Binary Liquid Pd-Si Metal Alloys: Molecular Dynamics Simulations

Muhammad Faruq, Antoine Villesuzanne, Meilan Guo, Guosheng Shao

Journal of Materials Physics and Chemistry. 2017, 5(1), 20-31 doi:10.12691/jmpc-5-1-3