Abstract
The magnetic anisotropy constants of Fe3Pt alloy thin films grown onto MgO(100) and MgO(111) substrates by electron-beam evaporation are investigated in conjunction with structure. It is observed that the orientation of the Fe3Pt films depends on the substrate. Both oriented samples exhibit very large in-plane magnetic anisotropy. The magnetic anisotropy constants K1 and K2 are found to strongly depend on the deposition temperature (TS). The maximum values of K1 and K2 obtained are about −4×106 and 2×107erg∕cc, respectively. A close relationship is observed between the magnetic anisotropy constants and structural parameter.
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