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Showing 1 to 6 of 6 for “"L10 FePt"”.
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Growth, structure and magnetic properties of magnetron sputtered FePt thin films
The L10 FePt phase belongs to the most promising hard ferromagnetic materials for high density recording media. The main challenges for thin FePt films are: (i) to lower the process temperature for the transition from the soft magnetic A1 to the hard magnetic L10 phase, (ii) to realize c-axes …
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Magnetism and interactions within the single domain limit: reversal, logic and information storage
… scaling law were studied. High quality epitaxial L10 FePdPt and FePt thin films on MgO (001) substrate was fabricated. For FePd binary alloy thin films, we observed that Pt addition and low temperature post annealing would facilitate L10 chemical ordering. For FePt thin film samples, reversal …
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Nanocrystalline Fe-Pt alloys: phase transformations, structure and magnetism
… the formation of chemically highly ordered L10 FePt and, in the case of the Fe-rich and Pt-rich compositions, L12 Fe3Pt and FePt3 phases, respectively. Whereas in Pt-rich alloys the decoupling effect of the FePt3 phase leads to coercivity improvement, in Fe-rich nanocomposites a peculiar …
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Filmes de FePt para dispositivos da spintrônica
… with magnetic and transport properties in the L10 FePt compound. The compound has tetragonal structure and strong magnetocrystalline anisotropy. Films were prepared by sputtering. For measuring Tunnel Anisotropic Magnetoresistance (TAMR), FePt/AlOx/Au trilayers were prepared. All prepared …
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Density-Functional Theory+Dynamical Mean-Field Theory Study of the Magnetic Properties of Transition-Metal Nanostructures
… properties of small (2 to 5-atom) Fe and FePt clusters provide meaningful results: dynamical effects lead to a reduction of the cluster magnetic moment as compared to that obtained from DFT or DFT+U (U being the Coulomb repulsion parameter). We have subsequently developed our own …
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Micromagnetic Study of Composite Media for High Density Heat Assisted Magnetic Recording
… Landau-Lifshitz-Gilbert (LLG) method. L10 FePt is one promising recording media candidate for HAMR. The transition noise and transition jitter are calculated through magnetic recording simulation accelerated by GPU parallel computing. Thermal fluctuations and Curie temperature variance …