Lattice dynamics and phonon softening in Ni-Mn-Al Heusler alloys

Xavier Moya, Lluís Mañosa, Antoni Planes +6

Inelastic and elastic neutron scattering have been used to study a single crystal of the Ni${}_{54}$Mn${}_{23}$Al${}_{23}$ Heusler alloy over a broad temperature range. The paper reports…