Electrons and phonons in the ternary alloy CaAl${}_{2-x}$Si${}_x$} as a function of composition

Matteo Giantomassi, Lilia Boeri, Giovanni B. Bachelet

We report a detailed first-principles study of the structural, electronic and vibrational properties of the superconducting C${}_{32}$ phase of the ternary alloy CaAl${}_{2-x}$Si${}_x$,…