Preparation of Fe/Pt Films with Perpendicular Magnetic Anisotropy |
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| Authors: | S Kavita V Raghavendra Reddy Ajay Gupta Mukul Gupta |
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| Institution: | (1) Inter-University Consortium for DAEF, University Campus, Khandwa Road, Indore, 452 017, India;(2) Laboratory for Neutron Scattering, 5232 Villigen, PSI, Switzerland |
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| Abstract: | We have investigated the microstructures and magnetic properties of L10 ordered equi-atomic FePt thin films prepared by ion beam sputtering and subsequent annealing. It is observed from X-ray reflectivity
and X-ray diffraction measurements that the mixing at Fe/Pt interfaces starts to occur with annealing and leading to the FePt
alloy phase formation. The rapid increase in the coercivity values above 275°C, obtained from vibrating sample magnetometer
(VSM) measurements, confirms the formation of the ordered L10 FCT FePt phase. |
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