Electrodeposition of highly functional thin films for magnetic recording devices of the next century

Osaka, Tetsuya

doi:10.1016/s0013-4686(00)00407-2

Cited by 177 publications

(107 citation statements)

References 43 publications

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“…The aim of this work is to provide an interpretation of the shape of HMF distributions for a series of Co x Fe 1-x-y Ni y alloys prepared by mechanical alloying (MA). As it was proved by several authors [16][17][18][19], the Co x Fe 1-x-y Ni y alloys exhibit soft magnetic properties and can be used as a head core material in magnetic storage devices.…”

Section: Introductionmentioning

confidence: 90%

Local atomic arrangement in mechanosynthesized Co x Fe1−x−y Ni y alloys studied by Mössbauer spectroscopy

Pikula

2014

Appl. Phys. A

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Mechanosynthesized Co x Fe 1-x-y Ni y alloys were examined using X-ray diffraction (XRD) and Möss-bauer spectroscopy. In order to explain the shape of hyperfine magnetic field (HMF) distributions for the alloys, a local environment model based on a multinomial distribution was proposed. The model was in agreement with the XRD data and confirmed that the studied alloys were disordered solid solutions. It was successfully applied to describe the samples with bcc and fcc crystalline lattice type within the relatively broad range of components concentration. The results showed that the change of the crystalline lattice type does not cause an abrupt change of the HMF value. Moreover, a mean number of unpaired spins for the first coordination sphere may be used as a parameter to describe the HMF value experienced by 57 Fe nucleus. Finally, a set of the most probable atomic configurations and their corresponding contributions to the HMF distribution were obtained.

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Section: Introductionmentioning

confidence: 90%

Local atomic arrangement in mechanosynthesized Co x Fe1−x−y Ni y alloys studied by Mössbauer spectroscopy

Pikula

2014

Appl. Phys. A

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“…1 Post hydrothermal annealing of the films is one of the heat treatment method which helps in obtaining uniformity in the structure at nano scale. 2,3 The obtained uniformity is due to rearrangement of nano clusters equally in all direction leading to isotropic behavior.…”

Section: Introductionmentioning

confidence: 99%

Effect of hydrothermal heat treatment on magnetic properties of copper zinc ferrite rf sputtered films

2016

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The hydrothermal treatment to the nano-structured films can overcome the destruction of the films. The Cu-Zn Ferrite films were fabricated by RF-sputtering on quartz substrates. Subsequently, the as deposited films were heat treated using hydrothermal process. The X-ray diffraction pattern of the as-deposited and hydrothermal treated films indicate nano-crystalline cubic spinel structure. The amorphous nature of the films is removed after hydrothermal treatment with decreased crystallite size. The field emission scanning electron micrographs showed merged columnar growth for as deposited films, which changes to well define columns after hydrothermal heating. The homogeneous cluster distribution is observed in surface view of the hydrothermal treated films. Hydrothermal treated films show merging of in-plane and out of plane magnetization plots (M(H)) whereas the M(H) plots of as deposited films show angular dependence. The strong angular dependence is observed in the FMR spectra due to the presence of a uniaxial anisotropy in the films. The ferromagnetic interactions decrease in hydrothermal heated films due to the reduced shape anisotropy and crystallite size.

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“…Special alloy wires can be used in: magnetic recording media, sensors, and inductors as well as in other functional microstructures [2]. Nanostructures with a high aspect ratio and not uniform composition can be used for multiple biological sensing, biological separations, and gene delivery [3][4][5]. Nanowires saturation magnetization and coercive fi eld can be modifi ed by the combination of different elements in one superstructure [6].…”

Section: Introductionmentioning

confidence: 99%

Magnetic nanowires (Fe, Fe-Co, Fe-Ni) – magnetic moment reorientation in respect of wires composition

2015

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Abstract. Magnetic nanowires of Fe, Fe-Co, and Fe-Ni alloy and layered structure were prepared by electrochemical alternating current (AC) deposition method. The morphology of the nanowires in and without the matrix was studied by energy dispersive X-ray spectroscopy (EDX), scanning electron microscopy (SEM), and X-ray diffraction (XRD), respectively. The wires either show strong dependence on the combination of elements deposition (alloy or layered) or chemical composition (Co or Ni). The magnetic properties of the nanostructures were determined on the basis of Mössbauer spectroscopy (MS).

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Electrodeposition of highly functional thin films for magnetic recording devices of the next century

Cited by 177 publications

References 43 publications

Local atomic arrangement in mechanosynthesized Co x Fe1−x−y Ni y alloys studied by Mössbauer spectroscopy

Local atomic arrangement in mechanosynthesized Co x Fe1−x−y Ni y alloys studied by Mössbauer spectroscopy

Effect of hydrothermal heat treatment on magnetic properties of copper zinc ferrite rf sputtered films

Magnetic nanowires (Fe, Fe-Co, Fe-Ni) – magnetic moment reorientation in respect of wires composition

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