CORRELATION BETWEEN FILM COMPOSITION AND MAGNETIC PROPERTIES OF ELECTROLESS-PLATED CoNiP PERPENDICULAR MAGNETIC RECORDING MEDIA

Osaka, Tetsuya; Homma, Takayuki; Asai, H.; Ohrui, K.; Yamazaki, Yohtaro; Namikawa, T.

doi:10.3379/jmsjmag.15.s2_965

Cited by 2 publications

(1 citation statement)

References 13 publications

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“…In those days, we found an interesting phenomenon: the easy axis direction for magnetization of a CoNi‐based magnetic thin film changed from lateral to perpendicular when some metals were added to the film 27. After our investigations of electroless CoNi‐based films, various perpendicular magnetization films such as CoNiMnP, CoNiReP, and CoNiP were fabricated, and perpendicular recording media with those films as recording layers were prepared and evaluated 28–72…”

Section: Creation Of Magnetic Thin Films For Magnetic Recording Drivesmentioning

confidence: 95%

Creation of highly functional thin films using electrochemical nanotechnology

Osaka

2004

The Chemical Record

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This overview describes the results of our recent study of the application of electrochemical nanotechnology to the fabrication of magnetic recording materials, interconnects in ultra-large-scale integrated (ULSI) devices, energy storage materials, and on-chip biosensors. It is important to note that electrochemical processes play significant roles in developing and fabrication such sophisticated materials and devices. In the field of magnetic recording, electrodeposition methods for preparing CoNiFe and CoFe soft magnetic thin films with a high saturation magnetic flux density were newly developed, and the significant issues for obtaining those films are highlighted. In the area of ULSI interconnects, we developed a technique using a self-assembled monolayer (SAM) for direct bonding of the interconnect layer to SiO2, and proposed a novel electroless deposition method for fabricating a diffusion barrier layer. In the field of batteries, electrodeposited SnNi alloy was proposed as a future anode material for Li batteries, and electrochemical MEMS processes were shown to be useful for fabricating micro-sized direct methanol fuel cells (DMFCs) as portable batteries for electronics applications. In the area of chemical sensors, we developed a new process for fabricating field effect transistors (FETs) modified with SAMs for on-chip biosensing applications.

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Section: Creation Of Magnetic Thin Films For Magnetic Recording Drivesmentioning

confidence: 95%

Creation of highly functional thin films using electrochemical nanotechnology

Osaka

2004

The Chemical Record

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CoNiP Perpendicular Magnetic Recording Medium Electroless-Deposited from Single-Complextant Bath at Room-Temperature

et al. 1994

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Abstract---A new electroless-deposition bath for the preparation of CoNiP perpendicular magnetic recording media was developed and the magnetic and structural properties of the deposited films were characterized. The bath contains only four chemicals with diluted compositions, and can be operated at room temperature. In spite of such a simple condition, the films deposited from this bath show superior characteristics than those of conventional CoNiP perpendicular media; the high perpendicular coercivity up to 2500 Oe and c-axis perpendicularly oriented hcp structure with clear orientation. The in situ scanning tunneling microscopy observation of the film was performed, confirming the applicability of this bath to various in situ analyses for studying its electroless-deposition process. Such a simple deposition condition also has merit for easy fabrication of the media, thus being quite beneficial from both scientific and industrial viewpoints.

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CORRELATION BETWEEN FILM COMPOSITION AND MAGNETIC PROPERTIES OF ELECTROLESS-PLATED CoNiP PERPENDICULAR MAGNETIC RECORDING MEDIA

Cited by 2 publications

References 13 publications

Creation of highly functional thin films using electrochemical nanotechnology

Creation of highly functional thin films using electrochemical nanotechnology

CoNiP Perpendicular Magnetic Recording Medium Electroless-Deposited from Single-Complextant Bath at Room-Temperature

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