Thermally stable CGC perpendicular recording media with Pt-rich CoPtCr layer

Y. Sonobe; H. Muraoka; K. Miura; Y. Ikeda; H. Do; A. Moser; W. Weresin; N. Supper; K. Takano; B. K. Yen; Y. Nakamura

doi:10.1109/INTMAG.2002.1001000

Thermally stable CGC perpendicular recording media with Pt-rich CoPtCr layer

Y. Sonobe, H. Muraoka, K. Miura, Y. Ikeda, H. Do, A. Moser, W. Weresin, N. Supper, K. Takano, B. K. Yen, Y. Nakamura

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

We recently proposed a novel perpendicular medium structure that consisted of a continuous layer and a granular layer, referred to as coupled granular continuous (CGC) media, to optimize the medium noise and thermal stability. These media used Co/Pt multilayers as the continuous layer. In this study, a Pt-rich CoPt₂₂Cr₂₂ alloy film with poor Co-Cr phase segregation is employed as the continuous layer instead of the multilayers, to demonstrate the general concept of the CGC structure. All CGC media had a continuous layer, a Pt buffer layer, and a common 12.5-nm-thick granular layer (CoCr₁₈Pt₁₂) on a soft magnetic underlayer.

Original language	English
Title of host publication	INTERMAG Europe 2002 - IEEE International Magnetics Conference
Editors	J. Fidler, B. Hillebrands, C. Ross, D. Weller, L. Folks, E. Hill, M. Vazquez Villalabeitia, J. A. Bain, Jo De Boeck, R. Wood
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)	0780373650, 9780780373655
DOIs	https://doi.org/10.1109/INTMAG.2002.1001000
Publication status	Published - 2002
Externally published	Yes
Event	2002 IEEE International Magnetics Conference, INTERMAG Europe 2002 - Amsterdam, Netherlands Duration: 2002 Apr 28 → 2002 May 2

Publication series

Name	INTERMAG Europe 2002 - IEEE International Magnetics Conference

Other

Other	2002 IEEE International Magnetics Conference, INTERMAG Europe 2002
Country/Territory	Netherlands
City	Amsterdam
Period	02/4/28 → 02/5/2

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering
Surfaces, Coatings and Films

Access to Document

10.1109/INTMAG.2002.1001000

Cite this

Sonobe, Y., Muraoka, H., Miura, K., Ikeda, Y., Do, H., Moser, A., Weresin, W., Supper, N., Takano, K., Yen, B. K., & Nakamura, Y. (2002). Thermally stable CGC perpendicular recording media with Pt-rich CoPtCr layer. In J. Fidler, B. Hillebrands, C. Ross, D. Weller, L. Folks, E. Hill, M. Vazquez Villalabeitia, J. A. Bain, J. De Boeck, & R. Wood (Eds.), INTERMAG Europe 2002 - IEEE International Magnetics Conference [1001000] (INTERMAG Europe 2002 - IEEE International Magnetics Conference). Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/INTMAG.2002.1001000

Thermally stable CGC perpendicular recording media with Pt-rich CoPtCr layer. / Sonobe, Y.; Muraoka, H.; Miura, K. et al.

INTERMAG Europe 2002 - IEEE International Magnetics Conference. ed. / J. Fidler; B. Hillebrands; C. Ross; D. Weller; L. Folks; E. Hill; M. Vazquez Villalabeitia; J. A. Bain; Jo De Boeck; R. Wood. Institute of Electrical and Electronics Engineers Inc., 2002. 1001000 (INTERMAG Europe 2002 - IEEE International Magnetics Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Sonobe, Y, Muraoka, H, Miura, K, Ikeda, Y, Do, H, Moser, A, Weresin, W, Supper, N, Takano, K, Yen, BK & Nakamura, Y 2002, Thermally stable CGC perpendicular recording media with Pt-rich CoPtCr layer. in J Fidler, B Hillebrands, C Ross, D Weller, L Folks, E Hill, M Vazquez Villalabeitia, JA Bain, J De Boeck & R Wood (eds), INTERMAG Europe 2002 - IEEE International Magnetics Conference., 1001000, INTERMAG Europe 2002 - IEEE International Magnetics Conference, Institute of Electrical and Electronics Engineers Inc., 2002 IEEE International Magnetics Conference, INTERMAG Europe 2002, Amsterdam, Netherlands, 02/4/28. https://doi.org/10.1109/INTMAG.2002.1001000

Sonobe Y, Muraoka H, Miura K, Ikeda Y, Do H, Moser A et al. Thermally stable CGC perpendicular recording media with Pt-rich CoPtCr layer. In Fidler J, Hillebrands B, Ross C, Weller D, Folks L, Hill E, Vazquez Villalabeitia M, Bain JA, De Boeck J, Wood R, editors, INTERMAG Europe 2002 - IEEE International Magnetics Conference. Institute of Electrical and Electronics Engineers Inc. 2002. 1001000. (INTERMAG Europe 2002 - IEEE International Magnetics Conference). doi: 10.1109/INTMAG.2002.1001000

Sonobe, Y. ; Muraoka, H. ; Miura, K. et al. / Thermally stable CGC perpendicular recording media with Pt-rich CoPtCr layer. INTERMAG Europe 2002 - IEEE International Magnetics Conference. editor / J. Fidler ; B. Hillebrands ; C. Ross ; D. Weller ; L. Folks ; E. Hill ; M. Vazquez Villalabeitia ; J. A. Bain ; Jo De Boeck ; R. Wood. Institute of Electrical and Electronics Engineers Inc., 2002. (INTERMAG Europe 2002 - IEEE International Magnetics Conference).

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title = "Thermally stable CGC perpendicular recording media with Pt-rich CoPtCr layer",

abstract = "We recently proposed a novel perpendicular medium structure that consisted of a continuous layer and a granular layer, referred to as coupled granular continuous (CGC) media, to optimize the medium noise and thermal stability. These media used Co/Pt multilayers as the continuous layer. In this study, a Pt-rich CoPt22Cr22 alloy film with poor Co-Cr phase segregation is employed as the continuous layer instead of the multilayers, to demonstrate the general concept of the CGC structure. All CGC media had a continuous layer, a Pt buffer layer, and a common 12.5-nm-thick granular layer (CoCr18Pt12) on a soft magnetic underlayer.",

author = "Y. Sonobe and H. Muraoka and K. Miura and Y. Ikeda and H. Do and A. Moser and W. Weresin and N. Supper and K. Takano and Yen, {B. K.} and Y. Nakamura",

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year = "2002",

doi = "10.1109/INTMAG.2002.1001000",

language = "English",

series = "INTERMAG Europe 2002 - IEEE International Magnetics Conference",

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AU - Sonobe, Y.

AU - Muraoka, H.

AU - Miura, K.

AU - Ikeda, Y.

AU - Do, H.

AU - Moser, A.

AU - Weresin, W.

AU - Supper, N.

AU - Takano, K.

AU - Yen, B. K.

AU - Nakamura, Y.

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AB - We recently proposed a novel perpendicular medium structure that consisted of a continuous layer and a granular layer, referred to as coupled granular continuous (CGC) media, to optimize the medium noise and thermal stability. These media used Co/Pt multilayers as the continuous layer. In this study, a Pt-rich CoPt22Cr22 alloy film with poor Co-Cr phase segregation is employed as the continuous layer instead of the multilayers, to demonstrate the general concept of the CGC structure. All CGC media had a continuous layer, a Pt buffer layer, and a common 12.5-nm-thick granular layer (CoCr18Pt12) on a soft magnetic underlayer.

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BT - INTERMAG Europe 2002 - IEEE International Magnetics Conference

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ER -

Thermally stable CGC perpendicular recording media with Pt-rich CoPtCr layer

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