Continuity of perpendicular FePt film with a compositional gradient design

Mo, Xinyao; Xiang, Hui; Lü, Wei; Zheng, Yanjun; Li, G Q; Saito, Hitoshi; Ishio, S.; Jiang, Dan; Tan, Xinxin; Lin, Yueqiang

doi:10.1088/1742-6596/266/1/012040

J. Phys.: Conf. Ser.

2011

DOI: 10.1088/1742-6596/266/1/012040

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Continuity of perpendicular FePt film with a compositional gradient design

Xinyao Mo

Hui Xiang

Wei Lü

et al.

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2015

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“…11 However, layer-by-layer deposited FePt films preferred a continuous morphology. Apparent intergrain separations were not observed even they were subjected to an annealing at 700 C. 12 In this investigation, different (Fe/Pt) 5 multilayers were first deposited layer-by-layer on MgO(100) substrates at $100 C by electron beam evaporation. Then, all samples were annealed at 500 C for 2 h in order to obtain Fe x Pt 100-x (x ¼ 10-85 in atomic percentage) alloys with (001) epitaxy.…”

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Exchange spring in A1/L1 FePt composite and its application in magnetic force microscope

Zhu

Zhang

et al. 2015

Applied Physics Letters

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This paper reported fabrication of FexPt100-x films with (001) epitaxy on MgO(100) substrates. The atomic percentage of Fe was changed within the range of x = 10–85 in order to search the optimal atomic ratio for achieving both high and isotropic-like coercivity. It was found that the Fe60Pt40 film exhibited large coercivities exceeding 5 kOe along both in-plane and out-of-plane directions due to the formation of A1/L10 FePt composite. A penta-domain model for hard/soft/hard exchange spring system was proposed to interpret the anomalous magnetization behaviors observed in Fe60Pt40 sample. By using Fe60Pt40 as the magnetic coating layer on a probe of magnetic force microscope, the flux changes at a linear density of 1000 kfci could be readily observed at a resolution of ∼13 nm.

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confidence: 99%

Exchange spring in A1/L1 FePt composite and its application in magnetic force microscope

Zhu

Zhang

et al. 2015

Applied Physics Letters

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L10-FePt films fabricated by wet-chemical route

et al. 2015

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Continuity of perpendicular FePt film with a compositional gradient design

Cited by 2 publications

References 16 publications

Exchange spring in A1/L1 FePt composite and its application in magnetic force microscope

Exchange spring in A1/L1 FePt composite and its application in magnetic force microscope

L10-FePt films fabricated by wet-chemical route

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