Effect of doping on lattice dynamics and electron-phonon coupling of the actinides Ac-Th alloy.

We have studied the electronic, lattice dynamical, and electron-phonon properties of the actinides [Formula: see text]Th alloy within the framework of density functional perturbation theory. The self-consistent virtual crystal approximation is used for the alloy modeling, and spin-orbit coupling is included in the calculation of all relevant quantities. An overall decrease of the electron-phonon coupling (λ) by [Formula: see text] from Ac to Th was observed.