Effects of Pd- and Ta-buffer layer on magnetic and interfacial perpendicular properties of sputtered Co2FeSi/MgO heterostructures

A series of Co2FeSi (CFS)/MgO heterostructures with Pd and Ta buffers are fabricated by sputtering method. Perpendicular magnetic anisotropy (PMA) with energy density of ∼1 × 106 erg/cm3 is demonst...