Large change of magnetic moment in Ni 13 Co 3 Mn 13 Sn 3 and Ni 13 Co 3 Mn 13 Sn 2 Al 1 Heusler alloys at martensitic transitions: Investigation from first principles

As is known, Co-doped Ni-Mn-Z (Z = Ga, In, Sn) Heusler alloys exhibit unique multifunctional properties such as the magnetic shape memory effect, magnetic-field-induced strains, exchange bias effect, giant magnetoresistance and the magnetocaloric effect (MCE), which are promising for future technologies [1–3].