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Preparation of FePt Film via Electrochemical Deposition Method

Abstract. A FePt codeposition film was prepared via electrochemical codeposition process, where FeSO4•7H2O and H2PtCl6•6H2O were used as Fe source and Pt source，respectively. The composition and morphology of the FePt film were determined by the applied pulse potentials. Vibrating Sample Magnetometer (VSM) study show that the FePt film with Fe/Pt=1:1 was of soft magnetic properties, and its structure transformed from face-centered-cubic (fcc) to face-centred-tetragonal (fct) structure partly after it was annealed at 550°C for 30min in hydrogen (H2).