Effects of a high magnetic field on structure evolution and properties of the molecular beam vapor deposited Fe60Ni40 nanoparticles thin films

Cao, Yongze; Wang, Qiang; Li, Guojian; Du, Jiaojiao; Wang, Xiaoguang; He, Jicheng

doi:10.1016/j.jmmm.2014.07.054

Cited by 5 publications

(1 citation statement)

References 37 publications

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“…This leads to the formation of longer nanorods with better crystallinity (i.e., less stacking faults) and, thus, better magnetic properties. Such influence has already been reported in several previous works on the synthesis of Co anisotropic particles [24][25][26]. Conversely, the diameter of NRs decreases monotonically with the applied field, leading to a high aspect ratio up to 28.…”

Section: Shape and Structure Characterizationssupporting

confidence: 74%

Enhanced Magnetic Behavior of Cobalt Nano-Rods Elaborated by the Polyol Process Assisted with an External Magnetic Field

et al. 2020

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Cobalt nano-rods with the hexagonal close-packed (hcp) structure were prepared by reduction of the long-chain carboxylate Co (II) precursor in polyol. The application of an external magnetic field (µ0H = 1.25 T) during the nucleation and growth steps resulted in a noticeable modification of the mean aspect ratio (length/diameter) of the particles. The particle morphology was also modified as the nano-rods did not exhibit conical heads at their extremities anymore, which are observed for particles prepared without application of an external magnetic field. Besides, the stacking faults density along the c axis of the hcp structure in the cobalt nano-rods has been found to decrease with the increase in the applied magnetic field. The coercive field of randomly oriented nano-rods increased with the aspect ratio, showing the highest value (i.e., 5.8 kOe at 300 K) for the cobalt nano-rods obtained under the highest applied magnetic field. For partially oriented Co nano-rods in toluene solution, the magnetic properties were significantly enhanced with a coercive field of 7.2 kOe at 140 K, while the magnetization saturation reached 92% of the bulk. The MR/MS value was about 0.8, indicating a good orientation of the anisotropic particles relative to each other, making them suitable for the preparation of permanent magnets via a bottom-up approach.

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Section: Shape and Structure Characterizationssupporting

confidence: 74%

Enhanced Magnetic Behavior of Cobalt Nano-Rods Elaborated by the Polyol Process Assisted with an External Magnetic Field

et al. 2020

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Enhancement of magnetic properties by adjusted structure in Fe nanocrystalline films via annealing and applying high magnetic field at different film-formation stages

Liu

et al. 2020

Journal of Magnetism and Magnetic Materials

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Effects of high magnetic field assisted annealing on structure and optical, electric properties of electrodeposited ZnO films

Gao

et al. 2017

Superlattices and Microstructures

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Effects of a high magnetic field on structure evolution and properties of the molecular beam vapor deposited Fe60Ni40 nanoparticles thin films

Cited by 5 publications

References 37 publications

Enhanced Magnetic Behavior of Cobalt Nano-Rods Elaborated by the Polyol Process Assisted with an External Magnetic Field

Enhanced Magnetic Behavior of Cobalt Nano-Rods Elaborated by the Polyol Process Assisted with an External Magnetic Field

Enhancement of magnetic properties by adjusted structure in Fe nanocrystalline films via annealing and applying high magnetic field at different film-formation stages

Effects of high magnetic field assisted annealing on structure and optical, electric properties of electrodeposited ZnO films

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